139009
domain: N
Appears in sequences
- a(n) is least k such that k and 8k are anagrams in base n (written in base 10).at n=29A023100
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 29.at n=21A031617
- Numbers k such that A003285(k) = A003285(k+1) == 1 (mod 2).at n=5A065304
- Integers k such that k^2 can be written as the sum of three positive fourth powers.at n=23A365657