A227651 Perfect powers equal to the sum of 10 factorial numbers.
16, 25, 27, 32, 36, 49, 64, 81, 100, 125, 128, 144, 169, 196, 216, 225, 256, 289, 324, 343, 400, 441, 484, 512, 529, 625, 676, 729, 784, 841, 900, 1000, 1024, 1089, 1156, 1225, 1331, 1444, 1521, 1600, 1681, 1728, 1936, 2048, 2187, 2197, 2304, 2401, 2916, 3025
Offset: 1
Keywords
Examples
25411681 = 71^4 = 1! + 7! + 7! + 10! + 10! + 10! + 10! + 10! + 10! + 10!.
Links
- Giovanni Resta, Table of n, a(n) for n = 1..239 (terms < 10^50)
- Giovanni Resta, Decompositions for a(1)-a(239)
Comments