25323

Appears in sequences

• Number of strict 3rd-order maximal independent sets in path graph.at n=47A007384
• Numbers k such that 30*R_k + 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=28A055520
• Number of partitions p of n for which Odd(p) = Odd(p') (mod 4), where p' is the conjugate of p.at n=41A097566
• Number of intersection points of all lines through pairs of vertices of a regular n-gon.at n=20A146212
• Partitions with superdiagonal growth: number of partitions (p0, p1, p2, ...) of n with pi - p0 >= i.at n=57A238860
• Number of m-shape set partitions, square array read by ascending antidiagonals, A(m,n) for m, n >= 0.at n=32A260876
• a(n) = (3*n)! * [z^(3*n)] exp(exp(z)/3 + 2*exp(-z/2)*cos(z*sqrt(3)/2)/3 - 1).at n=4A291973
• Generalized Bell numbers, square array read by ascending antidiagonals, A(n, k) for n, k >= 0.at n=32A327001
• a(n) = (2*n+1)*(n^3-2*n^2+n+1).at n=11A347319
• Lesser of 2 successive sphenic numbers (k, k+4) sandwiching 3 consecutive nonsquarefree numbers.at n=33A363830