# A344106 (b-file synthesized from sequence entry) 0 1 1 1 2 7 3 86 4 1473 5 32344 6 866695 7 27422352 8 1000578817 9 41361536384 10 1910451937671 11 97512721964800 12 5450486787062977 13 331112639931669504 14 21722219855305516807 15 1530517712811373819904 16 115269154497700063898625 17 9241045907270523509112832 18 785719407951447904088069383