# A024211 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 196656 5 8192 6 16967424 7 2260992 8 414835410 9 91570176 10 5027174400 11 1453260800 12 39049024416 13 13212672000 14 221932184576 15 82994429952