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A061841
Numbers k such that (k+5)^5 | k!.
5
19, 25, 31, 35, 37, 40, 43, 45, 49, 51, 55, 58, 59, 61, 65, 67, 70, 72, 73, 75, 76, 79, 83, 85, 86, 91, 93, 94, 95, 97, 99, 100, 103, 105, 107, 109, 112, 114, 115, 116, 120, 121, 123, 125, 127, 128, 130, 131, 133, 135, 138, 139, 142, 145, 147, 148, 149
OFFSET
1,1
LINKS
MATHEMATICA
Select[ Range[150], IntegerQ[ #! / (# + 5)^5] &]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jun 22 2001
STATUS
approved