# A128910 (b-file synthesized from sequence entry) 1 0 2 3 3 20 4 119 5 715 6 4523 7 30509 8 213343 9 1530983 10 11203550 11 83064263 12 620498643 13 4643259527 14 34592032908 15 254639722327 16 1832740718223 17 12680919388801 18 81678704122892 19 452951221016511 20 1574800035301944 21 8395299939524712 22 282240813012897282 23 4457697545906326118 24 58106920364272792945 25 693274802905577732102 26 7864635685729658131835