45606
domain: N
Appears in sequences
- Numbers k such that 13^k + 4 is prime.at n=12A137236
- Square table, read by antidiagonals, where row e.g.f.s, R(n,x), satisfy: d/dx log( R(n,x) )/n = R(n+1,x) with R(n,0) = 1; that is, the logarithmic derivative of the e.g.f. of row n, divided by n, equals the e.g.f. of row n+1, for n>=1.at n=49A145080
- a(n) = 81*n^2 - 44*n + 6.at n=24A156676
- Numerator of Euler(n, 3/25).at n=4A156967
- A(x) satisfies: Fibonacci(x)/x = A(x)/A(x^2).at n=21A173285
- Number of symmetry classes of 3 X 3 semimagic squares with distinct positive values < n.at n=22A173723
- Number of (n+2) X (5+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 3 5 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 3 5 6 or 7.at n=23A252251
- a(n) = Sum_{k=1..n-1} binomial(n, k)*G_n*G_{n-k} where G_n is the n-th Genocchi number (of the first kind).at n=10A290701
- Numbers k such that Bernoulli number B_{k} has denominator 64722.at n=37A295592