# A099969 (b-file synthesized from sequence entry) 0 2 1 10 2 26 3 58 4 122 5 1146 6 5242 7 13434 8 46202 9 177274 10 701562 11 1750138 12 18527354 13 52081786 14 186299514 15 454734970 16 4749702266 17 21929571450 18 56289309818 19 331167216762 20 880923030650 21 1980434658426 22 6378481169530 23 15174574191738