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qid 8164 · math

Question: What is the second number in the row of Pascal's triangle that has 43 numbers?

  1. 42
  2. 1
  3. 2
  4. 40
  5. 22
  6. 43
  7. 23
  8. 44
  9. 16
  10. 41

Our answer: A. 42 Source quote machine-checked (exact quote)

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How it was answered

Multi-step solver (maze), replayed by code

card: maze · card sha256 38df6b77ca7bf165…

Current source

Wikipedia, "Pascal's triangle"

https://en.wikipedia.org/wiki/Pascal%27s_triangle

“the coefficients are the entries in the second row of Pascal's triangle”

Source quote machine-checked (exact quote)

retrieved 2026-09-17T23:56:29.374Z

page text sha256 6a13839a4d0229a6… · content sha256 053a5a932be6440d…

addendum maze_qid8164_b4_maze_input_ADDENDUM_source_rs20260917T235629Z · sha256 accfc0afedf809e4… · replaces the version below, addendum sha256 401969bef3cf7b92…

Earlier version (superseded)

https://en.wikipedia.org/wiki/Pascal%27s_triangle

Source weak (http_get_200_text_and_question_terms)

retrieved 2026-09-17T23:24:42.189Z

page text sha256 39bf0a6a92669b39… · content sha256 —

addendum maze_qid8164_b4_maze_input_ADDENDUM_source_bf20260917T232442Z · sha256 401969bef3cf7b92… · replaces the version below, addendum sha256 d95c6ee0ec0cb305…

Earlier version (superseded)

No public source has been found for this card yet (3 places checked internally).

addendum maze_qid8164_b4_maze_input_ADDENDUM_source · sha256 d95c6ee0ec0cb305…

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