24040
domain: N
Appears in sequences
- Number of Hamiltonian cycles in C_5 X P_n.at n=6A003731
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 77.at n=34A031575
- Denominators of continued fraction convergents to sqrt(903).at n=3A042745
- Triangular array generated by its row sums: T(n,0) = 1 for n >= 0, T(n,1) = r(n-1), T(n,k) = T(n,k-1) - (-1)^k * r(n-k) for k = 2, 3, ..., n, n >= 2, r(h) = sum of the numbers in row h of T.at n=50A054090
- Intrinsic 10-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base.at n=33A060947
- a(n) = 6*binomial(n,4) + 5*binomial(n,2) - 4*n + 5.at n=18A066455
- Upper bound on number of regular triangulations of cyclic polytope C(n, n-4).at n=36A066456
- Numbers k such that 6*k+1, 6*k+7, 6*k+13, 6*k+19 are consecutive primes.at n=25A090839
- Digit sum of Fibonacci primes.at n=27A139537
- a(n) = 8000*n + 40.at n=2A157663
- Number of nondecreasing arrangements of n numbers in -(n-1)..(n-1) with sum zero and not more than two numbers equal.at n=8A188228
- T(n,k)=Number of nondecreasing arrangements of n numbers in -(n+k-2)..(n+k-2) with sum zero and not more than two numbers equal.at n=44A188236
- Row sums of triangle A202941.at n=8A203278
- Zero together with the partial sums of A056640.at n=19A274772
- Duplicate of A090839.at n=25A296055
- Array read by antidiagonals: T(n,k) is the number of Hamiltonian cycles in the stacked prism graph P_n X C_k, n >= 1, k >= 2.at n=51A359855
- a(n) = Sum_{k=0..floor(n/3)} (k+1) * binomial(2*k,2*n-6*k).at n=24A382496