# A165992 (b-file synthesized from sequence entry) 0 1 1 3 2 3 3 9 4 12 5 12 6 27 7 39 8 51 9 51 10 81 11 120 12 171 13 222 14 222 15 243 16 363 17 534 18 756 19 978 20 978 21 729 22 1092 23 1626 24 2382 25 3360 26 4338 27 4338 28 2187 29 3279 30 4905 31 7287 32 10647 33 14985 34 19323 35 19323 36 6561 37 9840 38 14745 39 22032 40 32679 41 47664 42 66987 43 86310 44 86310 45 19683