# A017644 (b-file synthesized from sequence entry) 0 10000 1 234256 2 1336336 3 4477456 4 11316496 5 24010000 6 45212176 7 78074896 8 126247696 9 193877776 10 285610000 11 406586896 12 562448656 13 759333136 14 1003875856 15 1303210000 16 1664966416 17 2097273616