33212
domain: N
Appears in sequences
- Related to coefficient of m in Jacobi elliptic function cn(z, m).at n=6A002754
- Generalized Fibonacci numbers A_{n,4}.at n=37A006209
- a(n) = A027052(n, 2n-1).at n=12A027056
- 1 + Sum_{n >= 1} Sum_{k = 0..n-1} (-1)^n*T(n,k)*y^(2*k)*x^(2*n)/(2*n)! = JacobiCN(x,y).at n=16A060627
- Number of fib000 primes (A095085) in range ]2^n,2^(n+1)].at n=20A095065
- Convolution of 3^n and floor(n/2).at n=11A097137
- Integer part of Gauss's Arithmetic-Geometric Mean M(2,n^4).at n=22A127765
- Number of simple unlabeled graphs with n nodes of 2 colors whose components are cycles.at n=17A217201
- Number of nX1 0..1 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=15A223220
- a(n) = 23*n^2.at n=38A244632
- Expansion of Product_{k>=1} 1/(1-x^k)^(k*(k+1)*(k+2)).at n=6A258350
- E.g.f. A(x,k) satisfies: sn(A(x,k), k) = k * sn(x,k), where sn(,) and cn(,) are Jacobi Elliptic functions.at n=37A291527
- Number of monohedral disk tilings of type C^t_{3,n}.at n=27A296361
- a(n) = 4*(n - 1)*(16*n - 23) for n >= 1.at n=23A304378
- Positions k where A348733(k) is not multiplicative.at n=36A348740