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 A029638 Numbers in the (1,2)-Pascal triangle A029635 that are different from 1. 3
 2, 3, 2, 4, 5, 2, 5, 9, 7, 2, 6, 14, 16, 9, 2, 7, 20, 30, 25, 11, 2, 8, 27, 50, 55, 36, 13, 2, 9, 35, 77, 105, 91, 49, 15, 2, 10, 44, 112, 182, 196, 140, 64, 17, 2, 11, 54, 156, 294, 378, 336, 204, 81, 19, 2, 12, 65, 210, 450, 672, 714, 540, 285, 100, 21, 2, 13, 77, 275, 660, 1122 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES D. M. Bressoud, Proofs and Confirmations, Camb. Univ. Press, 1999; triangle on page 6, denominators. LINKS Eric Weisstein's World of Mathematics, Alternating Sign Matrix. D. Zeilberger, Dave Robbins's Art of Guessing, Adv. in Appl. Math. 34 (2005), 939-954. EXAMPLE Triangle begins: 2, 3,2, 4,5,2, 5,9,7,2, 6,14,16,9,2, 7,20,30,25,11,2, ... CROSSREFS Cf. A048601, A029656. Sequence in context: A304743 A214540 A214595 * A136181 A265110 A304742 Adjacent sequences:  A029635 A029636 A029637 * A029639 A029640 A029641 KEYWORD nonn,tabl,frac AUTHOR EXTENSIONS More terms from David W. Wilson STATUS approved

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Last modified October 20 16:05 EDT 2019. Contains 328267 sequences. (Running on oeis4.)