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A061769 The least number k = a(n) > a(n-1) for which k!/(k+1)^m for increasing m's. 1
1, 5, 11, 23, 35, 39, 44, 47, 59, 71, 79, 89, 119, 143, 179, 239, 359, 479, 629, 671, 719, 1079, 1119, 1259, 1343, 1439, 1889, 2015, 2159, 2239, 2519, 2879, 3023, 3359, 3779, 4031, 4319, 5039, 6047, 6719, 7559, 8639, 10079 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..42.

EXAMPLE

a(5) = 35 (one of the few composites in this sequence) because 35 is the least number such that 35!/36^7 and 23!/24^6.

MATHEMATICA

l = 0; Do[k = Max[l - 1, 1]; While[ !IntegerQ[ k! / (k + 1)^n], k++ ]; If[ k > l, l = k; Print[k] ], {n, 0, 1500} ]

CROSSREFS

Sequence in context: A295149 A143127 A235386 * A169744 A190148 A281875

Adjacent sequences:  A061766 A061767 A061768 * A061770 A061771 A061772

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Jun 21 2001

STATUS

approved

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Last modified July 20 11:28 EDT 2019. Contains 325180 sequences. (Running on oeis4.)