25143
domain: N
Appears in sequences
- Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={1}.at n=12A079996
- Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=20A104972
- Number of partitions of n into an odd number of parts such that the set of even parts has only one element.at n=52A341495
- Number of partitions of n with exactly one repeated part and that part is odd.at n=52A341497
- Indices of records in A307730.at n=40A348449
- a(n) = A120963(n) + A341711(floor(n/2)).at n=18A360520
- a(n) = K(n-1) + K(n) + K(n+1), where K(n) = A341711(floor(n/2)).at n=18A361151
- G.f.: Product_{k>=1} (1 + x^(3*k^2)) / (1 - x^k).at n=35A385010