# A005177 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 2 5 2 6 5 7 4 8 17 9 22 10 167 11 539 12 18979 13 389436 14 50314796 15 2942198440 16 1698517036411 17 442786966115560 18 649978211591600286 19 429712868499646474880 20 2886054228478618211088773 21 8835589045148342277771518309 22 152929279364927228928021274993215 23 1207932509391069805495173301992815105 24 99162609848561525198669168640159162918815