38346
domain: N
Appears in sequences
- a(n) = Sum_{i,j,k in Z and i^2 + j^2 + k^2 <= n} i^2 + j^2 + k^2.at n=46A014203
- a(n) = Sum_{i,j,k in Z and i^2 + j^2 + k^2 <= n} i^2 + j^2 + k^2.at n=47A014203
- Triangle: Number of asymmetric semigroups of order n with k idempotents, considered to be equivalent when they are isomorphic or anti-isomorphic (by reversal of the operator).at n=25A058170
- Eleven times hexagonal numbers: a(n) = 11*n*(2*n-1).at n=42A154617
- Numbers n with property that n^2 is a sum of some 120 successive primes.at n=19A166262
- Number of permutations p() of 1..n+2 with centered difference p(i+1)-p(i-1) < 0 exactly once.at n=8A180879
- Number of permutations p() of 1..n+9 with centered difference p(i+1)-p(i-1) < 0 exactly 8 times.at n=1A180886
- Array read by antidiagonals: T(n,k)=number of permutations p() of 1..n+k with centered difference p(i+1)-p(i-1) < 0 exactly k-1 times.at n=46A180887
- Total sum of parts of multiplicity 3 in all partitions of n.at n=36A222731
- Triangle T(n,k) represents the coefficients of (x^11*d/dx)^n, where n=1,2,3,...at n=33A223513
- Expansion of Product_{k>=1} ((1 + x^k) / (1 + x^(4*k)))^k.at n=22A285290
- Number of multisets of exactly four partitions of positive integers into distinct parts with total sum of parts equal to n.at n=23A320789
- Number of conjugacy classes of subgroups of the group GL(2, Z_n) of invertible 2 X 2 matrices mod n.at n=43A364921
- Products of 5 distinct primes that are sandwiched between squarefree semiprime numbers.at n=40A376949
- Number of integer partitions of n having at most one permutation with all equal run-lengths.at n=48A383092