# A047115 (b-file synthesized from sequence entry) 3 1 4 4 5 14 6 44 7 144 8 414 9 1348 10 3187 11 11000 12 67699 13 242110 14 907470 15 4048716 16 15792744 17 61270714 18 251463726 19 996295359 20 3916971576 21 15685208519 22 62232260683 23 245848928006 24 977038778501 25 3873954187845 26 15330413916232