# A148017 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 8 5 17 6 46 7 117 8 365 9 1038 10 3155 11 9720 12 31261 13 99782 14 322517 15 1078436 16 3639101 17 12237485 18 41922026 19 146103022 20 508439432 21 1781167516 22 6315381661 23 22553829270 24 80707216930 25 290156888459 26 1053694190563 27 3840261414949 28 14000670459904 29 51441715144852 30 190036544389434 31 702284944553435 32 2606556569184976