# A187190 (b-file synthesized from sequence entry) 1 0 2 8 3 108 4 480 5 1400 6 3240 7 6468 8 11648 9 19440 10 30600 11 45980 12 66528 13 93288 14 127400 15 170100 16 222720 17 286688 18 363528 19 454860 20 562400 21 687960 22 833448 23 1000868 24 1192320 25 1410000 26 1656200 27 1933308 28 2243808 29 2590280 30 2975400