# A369212 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 15 4 50 5 177 6 652 7 2473 8 9594 9 37892 10 151846 11 615859 12 2523217 13 10427471 14 43415259 15 181941198 16 766841846 17 3248517320 18 13823977350 19 59067577266 20 253315964424 21 1089998388418 22 4704475230340 23 20361365646315 24 88351705071583 25 384280788724692 26 1675063399090659