%I #17 Mar 06 2020 23:21:11
%S 2,2,3,2,4,5,2,5,9,7,2,6,14,16,9,2,7,20,30,25,11,2,8,27,50,55,36,13,2,
%T 9,35,77,105,91,49,15,2,10,44,112,182,196,140,64,17,2,11,54,156,294,
%U 378,336,204,81,19,2,12,65,210,450,672,714,540,285,100,21,2,13,77,275,660,1122
%N Numbers in the (1,2)-Pascal triangle A029635 that are different from 1.
%D D. M. Bressoud, Proofs and Confirmations, Camb. Univ. Press, 1999; triangle on page 6, denominators.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/AlternatingSignMatrix.html">Alternating Sign Matrix.</a>
%H D. Zeilberger, <a href="http://www.math.rutgers.edu/~zeilberg/DaveRobbins/guess.html">Dave Robbins's Art of Guessing</a>, Adv. in Appl. Math. 34 (2005), 939-954.
%e Triangle begins:
%e 2;
%e 3, 2;
%e 4, 5, 2;
%e 5, 9, 7, 2;
%e 6, 14, 16, 9, 2;
%e 7, 20, 30, 25, 11, 2;
%e ...
%Y Cf. A048601, A029656.
%K nonn,tabl,frac
%O 1,1
%A _Mohammad K. Azarian_
%E More terms from _David W. Wilson_
%E Leading 2 inserted as consequence of change in A029635 by _Sean A. Irvine_, Mar 01 2020