282204

Appears in sequences

• Number of conics which pass through 3 points and are bitangent to a general curve of order n.at n=27A060783
• Number of partitions of 2n in which odd parts and multiples of 3 and 5 occur with even multiplicities. There is no restriction on the other even parts.at n=39A102346
• a(n) = phi( a(n-1) + a(n-2) + 1) with a(0) = 0 and a(1) = 1.at n=33A228807