25010

Appears in sequences

• Numbers k such that 57*2^k + 1 is prime.at n=27A002274
• Positive numbers k such that k and 2*k are anagrams in base 9 (written in base 9).at n=33A023079
• T(n,n), array T as in A047100.at n=9A047102
• A sequence derived from pentagonal numbers, or a Stirling number of the first kind matrix.at n=19A094952
• Concatenation of first n numbers of the decimal expansion of imaginary part of 3rd nontrivial zero of Riemann zeta function.at n=4A131585
• Maximal length of rook tour on an n X n+1 board.at n=32A152132
• Prime terms multiplied by Fibonacci terms (omitting first two terms of Fibonacci sequence).at n=12A160190
• Number of nondecreasing sequences of 4 1..n integers with no element dividing the sequence sum.at n=29A212871
• Number of n-digit 8th powers.at n=39A216658
• Numbers that can be represented as a sum of two distinct nontrivial prime powers in three or more ways.at n=26A225104
• Numbers which are the sum of two squared primes in exactly four ways (ignoring order).at n=7A226599
• Number of 4Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=10A303199