a(n,m) tabl head (triangle) for A093562: Pascal (5,1) n\m 0 1 2 3 4 5 6 7 8 9 0 1 0 0 0 0 0 0 0 0 0 1 5 1 0 0 0 0 0 0 0 0 2 5 6 1 0 0 0 0 0 0 0 3 5 11 7 1 0 0 0 0 0 0 4 5 16 18 8 1 0 0 0 0 0 5 5 21 34 26 9 1 0 0 0 0 6 5 26 55 60 35 10 1 0 0 0 7 5 31 81 115 95 45 11 1 0 0 8 5 36 112 196 210 140 56 12 1 0 9 5 41 148 308 406 350 196 68 13 1 etc. Written as array for figurate numbers (without first column) based on [1,6,11,16,21,..]= A016861: n\m 1 2 3 4 5 6 7 8 9 10 1 1 1 1 1 1 1 1 1 1 1 2 6 7 8 9 10 11 12 13 14 15 3 11 18 26 35 45 56 68 81 95 110 4 16 34 60 95 140 196 264 345 440 550 5 21 55 115 210 350 546 810 1155 1595 2145 6 26 81 196 406 756 1302 2112 3267 4862 7007 7 31 112 308 714 1470 2772 4884 8151 13013 20020 8 36 148 456 1170 2640 5412 10296 18447 31460 51480 9 41 189 645 1815 4455 9867 20163 38610 70070 121550 10 46 235 880 2695 7150 17017 37180 75790 145860 267410 etc.