66817
domain: N
Appears in sequences
- Numerator of sum_{p prime, p-1 divides 2*n} 1/p.at n=43A027761
- a(n) = n^4 + 5*n^2 + 1.at n=16A082113
- a(n) = 4^n for n = 0..3; for n > 3, a(n) = 4*a(n-1) + a(n-4).at n=8A098590
- Self-convolution omits 1's at positions of triangular numbers less one.at n=31A105613
- Self-convolution of A105613.at n=24A105614
- Index of first occurrence of n in A165633.at n=32A165765
- Denominator of Bernoulli_n multiplied by the sum of the associated inverse primes in the Staudt-Clausen theorem, n=1, 2, 4, 6, 8, 10,...at n=44A166306
- Partial sums of A299274.at n=46A299275
- Number of integer partitions of n such that the maximum is greater than twice the median.at n=43A361857