79983

Appears in sequences

• Expansion of x*(1-x)/(1-x+2*x^3-x^4).at n=50A104554
• a(n) = a(n-2) + a(n-3) + a(n-4) - a(n-6), with a(0) = a(2) = a(3) = 1, a(1) = 0 and a(4) = a(5) = 2.at n=36A143438
• Number of noncrossing partitions of the n-set with no pair of singletons {i} and {j} that can be merged into {i,j} and leave the partition a noncrossing partition.at n=12A363448