# A203231 (b-file synthesized from sequence entry) 1 1 2 4 3 15 4 24 5 81 6 108 7 351 8 432 9 1377 10 1620 11 5103 12 5832 13 18225 14 20412 15 63423 16 69984 17 216513 18 236196 19 728271 20 787320 21 2421009 22 2598156 23 7971615 24 8503056 25 26040609 26 27634932 27 84499119 28 89282088 29 272629233 30 286978140 31 875283327 32 918330048