72682

Appears in sequences

• Number of partitions of n with even number (or 0) 2's.at n=47A092295
• a(n) = 3*a(n-1) - 3*a(n-2) + 3*a(n-3) - 3*a(n-4) + a(n-5) for n >= 1, where a(0) = 2, a(1) = 4, a(2) = 7. a(3) = 11, a(4) = 20.at n=17A288380
• Expansion of (1/x) * Series_Reversion( x*(1+x-x^2)/(1+x)^5 ).at n=6A366070