193012

Appears in sequences

• a(n) = 1*t(n) + 2*t(n-1) + ... + k*t(n+1-k), where k=floor((n+1)/2), t = A000045 (Fibonacci numbers).at n=22A023860
• a(n) = A050314(2n+1,1): column 1 of triangle.at n=33A050316
• Principal diagonal of the convolution array A213576.at n=11A213577