786769
domain: N
Appears in sequences
- a(n) = prime^2 and digits of prime appear in a(n).at n=19A030081
- Composite numbers whose prime factors contain no digits other than 7 and 8.at n=28A036323
- Numbers k such that the sum of the cubes of divisors of k is a prime.at n=9A063783
- Smaller prime power associated with record gap in A167186.at n=29A167188
- Perfect squares which can be written neither as a^2+b^2, nor as a^2+2*b^2, nor as a^2+3*b^2, nor as a^2+7*b^2, with a > 0 and b > 0.at n=10A216408
- Number of (n+2)X(1+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=7A258887
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=28A258894
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=35A258894
- Odd squares not of the form p + 2^k with p prime.at n=12A276567