a(n,m) tabl head (triangle) for A093644: (9,1) 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 9 1 0 0 0 0 0 0 0 0 2 9 10 1 0 0 0 0 0 0 0 3 9 19 11 1 0 0 0 0 0 0 4 9 28 30 12 1 0 0 0 0 0 5 9 37 58 42 13 1 0 0 0 0 6 9 46 95 100 55 14 1 0 0 0 7 9 55 141 195 155 69 15 1 0 0 8 9 64 196 336 350 224 84 16 1 0 9 9 73 260 532 686 574 308 100 17 1 etc. Written as array for figurate numbers (without first column) based on [1,10,19,28,37,..]= A017173: n\m 1 2 3 4 5 6 7 8 9 10 1 1 1 1 1 1 1 1 1 1 1 2 10 11 12 13 14 15 16 17 18 19 3 19 30 42 55 69 84 100 117 135 154 4 28 58 100 155 224 308 408 525 660 814 5 37 95 195 350 574 882 1290 1815 2475 3289 6 46 141 336 686 1260 2142 3432 5247 7722 11011 7 55 196 532 1218 2478 4620 8052 13299 21021 32032 8 64 260 792 2010 4488 9108 17160 30459 51480 83512 9 73 333 1125 3135 7623 16731 33891 64350 115830 199342 10 82 415 1540 4675 12298 29029 62920 127270 243100 442442 etc.