38045

Appears in sequences

• EULER transform of 3, 2, 2, 2, 2, 2, 2, 2, ...at n=18A000713
• a(n) = 2*a(n-1) - a(n-4) + a(n-5) with a(-1)=a(0)=a(1)=1, a(2)=2, a(3)=4, a(4)=7.at n=18A108758
• Number of essentially different semi-magic squares of order 3 with semimagic sum n.at n=37A122751
• a(n) = Sum_{k=0..n} Sum_{m=0..floor(k/2)} binomial(k-m, m)*binomial(n-k, k-m)^2.at n=12A306463