# A363601 (b-file synthesized from sequence entry) 0 1 1 0 2 3 3 8 4 21 5 48 6 126 7 288 8 693 9 1568 10 3570 11 7896 12 17417 13 37632 14 80823 15 171192 16 359733 17 747936 18 1543192 19 3155760 20 6407037 21 12909024 22 25835649 23 51359136 24 101470854 25 199264128 26 389096028 27 755591256 28 1459643343 29 2805471984 30 5366161740 31 10216161336 32 19362398580