# A033090 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 308 6 432 7 28422 8 156382 9 267314 10 453294 11 11504931 12 849955263 13 2349980289 14 3588031780 15 8600404591 16 15621034283