# A050754 (b-file synthesized from sequence entry) 0 0 1 1 2 128 3 2187 4 16384 5 78125 6 823543 7 2097152 8 4782969 9 19487171 10 35831808 11 62748517 12 105413504 13 170859375 14 268435456 15 893871739 16 4586471424 17 6103515625 18 8031810176 19 10460353203 20 13492928512 21 17249876309 22 34359738368