28788

Appears in sequences

• Number of partitions of n into parts that are neither all squarefree, nor all not squarefree.at n=39A117395
• Numbers k such that k and k^2 use only the digits 2, 4, 7, 8 and 9.at n=21A137107
• 12 times the total number of smallest parts in all partitions of n, with a(0) = 0.at n=20A211609
• Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=9A254903
• Spherical growth of the Lamplighter group: number of elements in the Lamplighter group Z wr Z of length n with respect to the standard generating set {a,t}.at n=10A294782
• Number of 7 X n 0..1 arrays with every element equal to 0 or 1 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=15A301796
• G.f.: Sum_{n>=0} (n+1) * (x + x^n)^n.at n=71A325997
• Number of partitions of n that contain at least one composite part.at n=39A353188