# A156231 (b-file synthesized from sequence entry) 0 1 1 0 2 6 3 8 4 24 5 48 6 106 7 192 8 369 9 624 10 1080 11 1728 12 2787 13 4248 14 6498 15 9528 16 13962 17 19824 18 28066 19 38760 20 53334 21 71936 22 96618 23 127680 24 167983 25 218040 26 281784 27 360024 28 458037 29 577080 30 724098 31 900936 32 1116636 33 1373808 34 1684038