250510

Appears in sequences

• Number of partitions of n into Fibonacci parts if each part is of two kinds.at n=37A103577
• Number of strictly increasing arrangements of 6 numbers in -(n+4)..(n+4) with sum zero.at n=21A188184
• Even numbers m such that the sum of the squares of the odd divisors and the sum of the squares of even divisors of m are both squares.at n=10A380742