a(n,m) tabl head (triangle) for A093645: (10,1) Pascal n\m 0 1 2 3 4 5 6 7 8 9 0 1 0 0 0 0 0 0 0 0 0 1 10 1 0 0 0 0 0 0 0 0 2 10 11 1 0 0 0 0 0 0 0 3 10 21 12 1 0 0 0 0 0 0 4 10 31 33 13 1 0 0 0 0 0 5 10 41 64 46 14 1 0 0 0 0 6 10 51 105 110 60 15 1 0 0 0 7 10 61 156 215 170 75 16 1 0 0 8 10 71 217 371 385 245 91 17 1 0 9 10 81 288 588 756 630 336 108 18 1 etc. Written as array for figurate numbers (without first column) based on [1,11,21,31,41,,..]= A017281: n\m 1 2 3 4 5 6 7 8 9 10 1 1 1 1 1 1 1 1 1 1 1 2 11 12 13 14 15 16 17 18 19 20 3 21 33, 46 60 75 91 108 126 145 165 4 31 64, 110 170 245 336 444 570 715 880 5 41 105, 215 385 630 966 1410 1980 2695 3575 6 51 156, 371 756 1386 2352 3762 5742 8437 12012 7 61 217, 588 1344 2730 5082 8844 14586 23023 35035 8 71 288, 876 2220 4950 10032 18876 33462 56485 91520 9 81 369, 1245 3465 8415 18447 37323 70785 127270 218790 10 91 460, 1705 5170 13585 32032 69355 140140 267410 486200 etc.