134184960

Appears in sequences

• a(0) = 0; a(1) = 1; if n is odd then a(n) = 2*a(n-1) - (n-1)*a(n-2) otherwise a(n) = 2*(a(n-1) - (n-2)*a(n-2)).at n=17A122598
• a(n) = 4a(n-1) - 6a(n-2) + 4a(n-3), n > 3; a(0) = 3, a(1) = 2, a(2) = a(3) = 0.at n=27A133209
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 177", based on the 5-celled von Neumann neighborhood.at n=30A286203
• a(n) = 2*a(n-1) + 2*a(n-2) - 4*a(n-3), a(1) = 0, a(2) = 0, a(3) = 8.at n=25A297619
• Numbers k such that A246601(k) > 2*k.at n=21A359084
• a(n) = 2^(n-4)*(5*binomial(n,5) + 6*binomial(n,4)).at n=16A384686
• a(n) = Sum_{k=0..floor(n/3)} 2^k * 3^(n-3*k) * binomial(k,4*(n-3*k)).at n=46A392074