# A009733 (b-file synthesized from sequence entry) 0 1 1 5 2 81 3 2477 4 120481 5 8496245 6 817734321 7 102873611549 8 16372688411713 9 3213260867586149 10 761792907575450385 11 214507625428065409805 12 70732793117238811066081 13 26987583518243293948764629