146965

Appears in sequences

• Number of diagonal dissections of an n-gon into 3 regions.at n=34A033275
• Number of ways of getting (at least) 5 of a kind, a straight flush, 4 of a kind, flush, full house, straight, 3 of a kind, 2 pair, a pair in wild-card poker with 1 joker.at n=6A057804
• Least k with precisely n partitions k = x + y satisfying sigma(k) = sigma(x) + sigma(y).at n=33A211224
• Denominator of Sum_{i=1..n} n^i/i.at n=21A237873
• Products of primes the squares of which are Fermi-Dirac divisors of n!at n=44A240505
• Numerators of coefficient triangle for expansion of x^n in terms of polynomials Todd(k, x) = T(2*k+1, sqrt(x))/sqrt(x) (A084930), with the Chebyshev polynomials of the first kind (type T).at n=56A244420
• Denominator of sum of fractions A182972(k) / A182973(k) such that A182972(k) + A182973(k) = n.at n=19A245678
• a(n) is the smallest "cyclic" integer, k, that has exactly n prime factors.at n=5A264907
• Triangle for numerators of coefficients for integrated odd powers of cos(x) in terms sin((2*m+1)*x).at n=56A273171
• a(n) = (n-1)*(n-2)*(n+3)*(n+2)/12.at n=36A299120
• Expansion of 1 / ((1 - x)^7*(1 + x)^2).at n=23A299335