486549

Appears in sequences

• a(n) = T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A026714.at n=16A026722
• a(1) = 1, a(2) = 1, a(3) = 1, a(n) = a(n-3) * (a(n-2) + a(n-1)).at n=10A048112
• Number of permutations of length n which avoid the patterns 2314, 2431, 3124.at n=11A116751