1490841
domain: N
Appears in sequences
- Denominator of 1/(n-2)^2 - 1/(n+2)^2.at n=33A171638
- a(n) = A061037(n)^2.at n=33A181763
- Powers (A001597) that are also cyclops numbers (A134808).at n=30A285845
- Numbers which are products of repunits.at n=27A308365
- Nonpalindromic numbers that are products of repunits.at n=1A339676
- Squares of the form k + reverse(k) for at least one k.at n=18A358880