# A128709 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 31 4 364 5 5746 6 113944 7 2719291 8 75843724 9 2420160286 10 86941080904 11 3471911602006 12 152562875644984 13 7315129181611876 14 380045172886143664 15 21266347877729314771 16 1275148311699896290444 17 81563275661324271278566