42140

Appears in sequences

• Triangle read by rows: coefficients of polynomials arising in the spontaneous magnetization of the anisotropic square lattice Ising model (see pp. 174-5 of the Guttmann reference).at n=39A138781
• Triangle read by rows: coefficients of polynomials arising in the spontaneous magnetization of the anisotropic square lattice Ising model (see pp. 174-5 of the Guttmann reference).at n=45A138781
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^3 < x^3 + y^3.at n=39A211650
• Numbers k such that 4^k + 31 is prime.at n=7A262971
• Binomial transform(2) of Motzkin numbers.at n=8A270561
• Number of Dyck paths of semilength n such that each positive level has exactly six peaks.at n=22A288322
• Triangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x - k*x^2), for n >= 0.at n=53A322225
• Irregular triangle read by rows. T(n,k) is the number of properly colored simple labeled graphs on [n] with exactly k edges, n >= 0, 0 <= k <= binomial(n,2).at n=18A361456