# A068495 (b-file synthesized from sequence entry) 1 6 2 56 3 260 4 780 5 992 6 1976 7 2156 8 3696 9 5520 10 13800 11 16256 12 19872 13 22560 14 23688 15 25232 16 41072 17 87000 18 89964 19 133984 20 145888 21 366720 22 785808 23 851760 24 1100864 25 1235052 26 1270208 27 1439552 28 1470720 29 2129400 30 2237888 31 4729664 32 8690112