A111245 Perfect powers m^k, where m is an integer, which are not equal to the sum of m distinct primes.

1, 4, 9, 25, 36, 49, 100, 121, 144, 169, 196, 225, 289, 324, 361, 400, 441, 484, 529, 576, 676, 784, 841, 900, 1089, 1156, 1225, 1369, 1444, 1521, 1600, 1681, 1764, 1849

Offset

1,2

Comments

Perfect powers with k = 2.

Links

Table of n, a(n) for n=1..34.

Formula

a(n) = A153158(n-1) for n >= 2. - Hugo Pfoertner, Jan 14 2021

Crossrefs

Cf. A111231, A153158.

Subsequence of A000290.

Sequence in context: A325240 A355058 A153158 * A366243 A062503 A248648

Adjacent sequences: A111242 A111243 A111244 * A111246 A111247 A111248

Keyword

nonn

Author

Giovanni Teofilatto, Oct 31 2005

Status

approved