108870
domain: N
Appears in sequences
- a(n) = 121*n^2 - n.at n=29A157960
- a(n) = 484*n^2 - 2*n.at n=14A158329
- a(n) = 900*n^2 - 30.at n=10A158669
- Number of binary strings of length n with equal numbers of 0010 and 0101 substrings.at n=18A164167
- The sequence of coefficients of a polynomial recursion: p(x,n)=If[Mod[n, 2] == 0, (x + 1)*p(x, n - 1), (x^2 + (2*n)*x + 1)^Floor[n/2]].at n=40A171147
- Squarefree nonprimes n with a divisor d such that phi(n) divides n+d.at n=36A217741
- Indices of primes in A000712.at n=37A285217