# A029770 (b-file synthesized from sequence entry) 0 1 1 0 2 270 3 960 4 3240 5 8640 6 17790 7 25920 8 62910 9 81600 10 124416 11 198720 12 287160 13 311040 14 596700 15 619200 16 806760 17 1140480 18 1465710 19 1425600 20 2458080 21 2383680 22 2903040 23 3818880 24 4607790 25 4250880 26 7089660 27 6518400 28 7575120 29 9633600 30 11275776 31 10082880 32 16150590 33 14587200 34 16588800 35 20442240 36 23261640 37 20424960