# A000162 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 8 5 29 6 166 7 1023 8 6922 9 48311 10 346543 11 2522522 12 18598427 13 138462649 14 1039496297 15 7859514470 16 59795121480 17 457409613979 18 3516009200564 19 27144143923583 20 210375361379518 21 1636229771639924 22 12766882202755783