# A161144 (b-file synthesized from sequence entry) 1 1 2 6 3 36 4 66 5 216 6 396 7 666 8 1296 9 2376 10 3996 11 4356 12 6666 13 7776 14 14256 15 23976 16 26136 17 39996 18 43956 19 46656 20 66666 21 85536 22 143856 23 156816 24 239976 25 263736 26 279936 27 287496 28 399996 29 439956 30 443556 31 513216 32 666666 33 863136 34 940896 35 1439856 36 1582416 37 1679616