Should these two sequences be merged (after correcting the last digit of A165645(4) )? http://research.att.com/~njas/sequences/?q=id:A165645|id:A091868 1, 8, 1296, 7962625, 2985984000000, 100306130042880000000 1, 1, 8, 1296, 7962624, 2985984000000 Richard