23919
domain: N
Appears in sequences
- Number of nonnegative solutions to x^2 + y^2 + z^2 <= n^2.at n=35A000604
- a(n) = floor(Gamma(n+9/11)/Gamma(9/11)).at n=8A020051
- a(n) = (1/24)*(n+1)*(3*n^3+59*n^2+358*n+648).at n=17A090949
- Numbers n with following property: suppose n^6 = d1 d2 d3 ...dk in decimal; then d1! + d2! + ... + dk! is a square.at n=12A130688
- Odd squarefree numbers n such that the cyclotomic polynomial Phi(n,x) is not coefficient convex.at n=7A146960
- Number of 4's in the last section of the set of partitions of n.at n=47A182714
- 1/4 the number of arrangements of 4 nonzero numbers x(i) in -n..n with the sum of sign(x(i))*(|x(i)| mod x(i+1)) equal to zero.at n=19A189953
- Partial sums of the Floor-Sqrt transform of Catalan numbers.at n=17A192633
- Coefficient of x in the reduction of the polynomial x^(2*n) + x^n + 1 by x^3 -> x + 1.at n=20A192813
- First occurrence of n in A225399, or -1 if n does not appear in A225399.at n=29A225400
- Numbers k such that k and k+1 each have at least 4 distinct prime factors.at n=42A321504
- a(n) is the smallest positive integer k, such that set of pairwise gcd of k, k+1, ..., k+n has a cardinality of n.at n=20A356371
- Index of the first occurrence of n in A076982.at n=30A368855