# A348957 (b-file synthesized from sequence entry) 0 1 1 2 2 2 3 10 4 18 5 98 6 210 7 1194 8 2786 9 16258 10 39906 11 236938 12 601458 13 3615330 14 9399858 15 57024426 16 150947010 17 922283522 18 2475603138 19 15212318730 20 41290579410 21 254909413218 22 698230131858 23 4327273358250 24 11943274468770 25 74260741616514 26 206279837823650 27 1286199407132554