25315
domain: N
Appears in sequences
- Sum of 12 positive 9th powers.at n=24A004801
- prime(2n) + prime(n) == 0 (mod n).at n=21A066896
- a(n) = a(n-1) + 2*a(n-2) + 3*a(n-3), for n>3, otherwise a(n) = n.at n=13A100550
- Number of (n+2) X 5 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.at n=13A184542
- Coordination sequence for (2,3,8) tiling of hyperbolic plane.at n=41A265058
- Number of terms of A072873 less than or equal to 10^n.at n=42A267757
- Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=7A317156
- T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=58A317160
- Numbers k such that A001414(k) and A001414(A004086(k)) are twin primes p, p+2.at n=3A337047
- Number of vertex cuts in the n-gear graph.at n=6A362516