# A125192 (b-file synthesized from sequence entry) 0 1 1 0 2 34 3 64 4 483 5 1152 6 4228 7 9792 8 25957 9 54848 10 120934 11 233664 12 455751 13 816832 14 1458184 15 2456192 16 4100169 17 6560960 18 10388394 19 15928576 20 24163115 21 35742464 22 52332172 23 75080960 24 106697901 25 149112576 26 206572782 27 282188608 28 382414991