144320

Appears in sequences

• G.f. satisfies A(x) = x*(1+A^2)^2/(1-A+A^2).at n=12A101490
• Cascadence of (1+2x)^2; a triangle, read by rows of 2n+1 terms, that retains its original form upon convolving each row with [1,4,4] and then letting excess terms spill over from each row into the initial positions of the next row such that only 2n+1 terms remain in row n for n>=0.at n=38A120914
• a(n) = p*(p - 1)*(13*p - 5)/6, where p = prime(n).at n=12A273221