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A227649
Perfect powers equal to the sum of 8 factorial numbers.
2
8, 9, 16, 25, 27, 32, 36, 49, 64, 81, 100, 125, 128, 144, 169, 196, 216, 225, 243, 256, 289, 343, 361, 400, 484, 512, 576, 729, 784, 841, 900, 961, 1000, 1089, 1521, 1600, 1849, 2304, 5041, 5184, 5776, 5832, 6724, 10201, 10816, 11881, 14400, 15129, 17424
OFFSET
1,1
COMMENTS
a(101), if it exists, is larger than 10^100.
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..100 (terms < 10^100)
EXAMPLE
10890000 = 3300^2 = 6! + 6! + 6! + 6! + 6! + 10! + 10! + 10!.
CROSSREFS
KEYWORD
nonn
AUTHOR
Giovanni Resta, Jul 19 2013
STATUS
approved