37147

Appears in sequences

• Number of ways you can split the set of the first n primes into two proper subsets of which the sum of one is thrice the sum of the other.at n=26A113044
• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0100-0100-1111-0100 pattern in any orientation.at n=11A147038
• Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 0100-0100-1111-0100 pattern in any orientation.at n=24A147040
• Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 0100-0100-1111-0100 pattern in any orientation.at n=25A147040
• Number of partitions p of n such that (number of parts of p) - min(p) is not a part of p.at n=40A238548
• a(n) = sigma(A003961(n^2)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1), and sigma is the sum of divisors function.at n=51A379482