40075

Appears in sequences

• Number of partitions of 2n in which each odd part has even multiplicity and each even part has odd multiplicity.at n=30A100847
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (-1, 0, 1), (1, 0, 0), (1, 1, 1)}.at n=8A150697
• Number of twice-partitions of type (Q,P,Q) and weight n.at n=33A279790
• a(n) = (number of compositions of n into odd parts) - (number of compositions of n into distinct parts).at n=24A282694