105516
domain: N
Appears in sequences
- n+p(n)+p(p(n)) is a square, where p(n) is the n-th prime.at n=20A116011
- Numbers k such that the k-th triangular number contains only digits {5,6,8}.at n=9A119221
- Number of permutations of 2 copies of 1..n avoiding adjacent step pattern up, down, up, down, up, up.at n=4A177585
- Number of partitions of n+4 with largest inscribed rectangle having area <= n.at n=42A218625
- Number of compositions of n having exactly eight fixed points.at n=16A240743