# A028210 (b-file synthesized from sequence entry) 0 1 1 33 2 685 3 11445 4 168301 5 2275413 6 28994365 7 353654565 8 4172013901 9 47945991093 10 539606148445 11 5970648969285 12 65146124616301 13 702577801647573 14 7503184109388925 15 79467822863509605 16 835719501138799501