# A148150 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 11 5 30 6 91 7 280 8 929 9 3125 10 10912 11 38716 12 141115 13 521666 14 1961738 15 7468828 16 28818382 17 112367258 18 442532489 19 1758198902 20 7044028427 21 28431378496 22 115539205449 23 472502030716 24 1943716565577 25 8039163734201 26 33416716299543 27 139559578867379 28 585418557877110 29 2465785094190391