# A056412 (b-file synthesized from sequence entry) 1 4 2 10 3 20 4 55 5 76 6 430 7 460 8 2605 9 5164 10 26962 11 38572 12 367645 13 431780 14 3203430 15 8993804 16 33860125 17 63177820 18 636462350 19 803796700 20 6886280971 21 17456594380 22 79965550558 23 139069427020 24 1466861706095 25 2251803181492 26 14434628481170 27 37066691779180 28 214483458079665 29 354963555781060 30 4803855154772166