25602
domain: N
Appears in sequences
- Coordination sequence for C_3 lattice: a(n) = 16*n^2 + 2 (n>0), a(0)=1.at n=40A010006
- a(0) = 1, a(n) = 25*n^2 + 2 for n > 0.at n=32A010015
- Minimal m such that n^n-m and n^n+m are both primes, or -1 if there is no such m.at n=39A075468
- Smallest k such that p^p -+ k is prime, where p=prime(n).at n=12A157719
- Total Wiener index of double-star trees with n nodes.at n=33A186235
- Numbers n such that for some m, A166133(m)=n, A166133(m+1)=n^2-1, in increasing order.at n=43A256407
- Triangle, read by rows, T(n,k) = t(n-k, k) where t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1) and f(x) = 7*x + 3.at n=12A257627