59220

Appears in sequences

• Number of stacks, or planar partitions of n; also weakly unimodal compositions of n.at n=25A001523
• Numbers occurring twice in A068627.at n=35A068628
• Row sums in A083167.at n=35A083170
• Numbers whose number of divisors equals the sum of their separate prime-power decompositions.at n=21A087004
• Bisection of A001523.at n=12A100506
• G.f. A(x) satisfies: A(x) = x*f(A(x),A(x)^2/x) where f(,) is Ramanujan's theta function; i.e., A(x) = x*Sum_{n=-oo,+oo} A(x)^(n*(n+1)/2) * (A(x)^2/x)^(n*(n-1)/2).at n=8A107945
• Sixth partial sums of sixth powers (A001014).at n=4A254472
• Number of integer partitions of n in which the even parts appear as often at even positions as at odd positions.at n=49A300787
• Least integer m such that there are exactly n quadruples of distinct divisors (d_i, d_j, d_k, d_l) among the divisors of m having the property d_i * d_j - d_k * d_l = 1, for some i, j, k, l.at n=42A306427