102250
domain: N
Appears in sequences
- Positive numbers k such that k and 5*k are anagrams in base 6 (written in base 6).at n=12A023067
- Numbers such that the digital sums in bases 2, 3, 5 and 10 all are equal.at n=19A135128
- Number of 1-sided strip polytans with n cells.at n=12A151520
- Numbers k for which 10k+1, 10k+3, 10k+7, 10k+9, 10k+13 and 10k+19 are primes.at n=5A178083
- Numbers k for which 10k + 1, 10k + 3, 10k + 7, 10k + 9 and 10k + 13 are primes.at n=34A178084
- Number of -n..n arrays x(0..4) of 5 elements with sum zero and with zeroth through 4th differences all nonzero.at n=10A200041