111630

Appears in sequences

• Harary-Read numbers: restricted hexagonal polyominoes (cata-polyhexes) with n cells.at n=12A002216
• a(n) = n*(2*n+1)^2.at n=30A084367
• a(n) = (p^3 - p^2)/2, where p = prime(n).at n=17A138416
• The least positive integer in A055744 divisible by A008578(n).at n=18A256430
• Numbers A055744(n) such that for any k < n, A055744(k) and A055744(n) do not have all their prime factors in common.at n=29A256431
• The number of even prime gaps g, satisfying g == 0 (mod 6), out of the first 2^n even prime gaps.at n=18A340948