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Perfect powers m^k, where m is an integer, which are not equal to the sum of m distinct primes.
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%I #7 Jan 14 2021 21:17:16

%S 1,4,9,25,36,49,100,121,144,169,196,225,289,324,361,400,441,484,529,

%T 576,676,784,841,900,1089,1156,1225,1369,1444,1521,1600,1681,1764,1849

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

%C Perfect powers with k = 2.

%F a(n) = A153158(n-1) for n >= 2. - _Hugo Pfoertner_, Jan 14 2021

%Y Cf. A111231, A153158.

%Y Subsequence of A000290.

%K nonn

%O 1,2

%A _Giovanni Teofilatto_, Oct 31 2005