25917

Appears in sequences

• a(n) = ceiling(n*phi^15), where phi is the golden ratio, A001622.at n=19A004970
• a(n) = (4*n+3)*(4*n+7).at n=39A085027
• a(n) = prime(n)^2 - 4*prime(n).at n=35A245034
• a(n) = 27*n^2/2 + 45*n/2 - 12 (n>=1).at n=42A304375
• T(n,k) is the number of non-equivalent distinguishing coloring partitions of the cycle on n vertices with exactly k parts. Regular triangle read by rows, n >= 1, 1 <= k <= n.at n=69A309784
• Number of integer partitions of n that reduce to 2, meaning their Heinz number maps to 2 under A304464.at n=38A319153
• Number of integer partitions of n with omicron 2.at n=39A325267
• Number of primitive (period n) n-bead bracelet structures which are not periodic palindromes using exactly four different colored beads.at n=11A328039
• The five digits of a(n) and their four successive absolute first differences are all distinct.at n=9A365257
• Perimeter-magic hexagons of order 3 with magic sum n.at n=9A380964