# A035801 (b-file synthesized from sequence entry) 0 1 1 64 2 2048 3 43712 4 700416 5 8991552 6 96376832 7 887582144 8 7172939776 9 51697913408 10 336604997632 11 2000727369920 12 10951050137600 13 55605785375040 14 263584490403840 15 1172818839714752 16 4921916082929664 17 19564527852207168