# A151314 (b-file synthesized from sequence entry) 0 1 1 2 2 11 3 49 4 277 5 1479 6 8679 7 49974 8 301169 9 1805861 10 11097563 11 68225081 12 425527103 13 2660509721 14 16787151965 15 106242633509 16 676589551793 17 4321724272449 18 27729861453735 19 178418992948065 20 1151938855186131 21 7455729526078989 22 48388319643548481 23 314727421388892459 24 2051665321667625351