19830

Appears in sequences

• a(n) = (d(n)-r(n))/2, where d = A026046 and r is the periodic sequence with fundamental period (0,1,0,1).at n=45A026047
• Number of partitions of n into 5-smooth parts.at n=40A112581
• Number of nondecreasing integer sequences of length 6 with sum zero and sum of absolute values 2n.at n=31A158140
• Partial sums of A253088.at n=31A255048
• Number of rooted bicolored trees on n nodes such that black nodes are not adjacent to each other.at n=8A339831