-505

Appears in sequences

• Convolution of A075298 with A056594.at n=20A075495
• Expansion of eta(q)/eta(q^5)^5 in powers of q.at n=26A109063
• Diagonal sums of the Fibonacci related number triangle A110314.at n=44A110315
• Row sums of a number triangle related to the Pell numbers.at n=22A110331
• Diagonal sums of number a triangle related to the Pell numbers.at n=44A110332
• Sequence is {a(5,n)}, where a(m,n) is defined at sequence A110665.at n=10A110670
• Matrix inverse of triangle A121335, where A121335(n,k) = C( n*(n+1)/2 + n-k + 1, n-k) for n>=k>=0.at n=32A121440
• Expansion of x^3*(x-1)*(x+1) / (x^5-2*x^4+x^2-1).at n=52A135990
• First differences of A000463.at n=45A188652
• a(n) = n! - n^4.at n=5A196411
• The c coefficients of the transform a*x^2 + (4*a/k - b)*x + 4*a/k^2 + 2*b/k + c = 0 for a,b,c = 1,-1,-1, k = 1,2,3...at n=45A229526
• Expansion of 1 / (1 + x^4 - x^5) in powers of x.at n=55A247919
• a(n) = nearest integer to n^2 * sin(sqrt(n)).at n=34A274088
• Expansion of r(q^5) / r(q)^5 in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=14A285585
• a(1) = 1; a(n) = Sum_{k=2..n} (-1)^k * k * a(floor(n/k)).at n=56A359479
• Triangular array T(n,k) read by rows: T(n, k) = c_k(n+1). The sequence c_k(m) has the ordinary generating function C_k(x) which satisfies C_k(x) = 1/(1+C_k(x)*Sum_{t=0..k} x^(t+1)).at n=38A378783