52658
domain: N
Appears in sequences
- a(n) = (9*n+1)*(9*n+8).at n=25A001534
- a(n) is square mod a(i), i < n.at n=22A034791
- a(i) is a square mod a(j), i <> j.at n=33A034903
- Base-9 palindromes that start with 8.at n=22A043035
- Number of n-celled rotationally symmetric polyominoes without holes.at n=19A056883
- a(n) = A130179(n)/81.at n=33A130085
- First differences of (provable) Sierpiński numbers (A076336).at n=27A270971