86020

Appears in sequences

• A Fielder sequence.at n=20A001640
• Triangle read by rows: matrix 5th power of the Stirling-1 triangle A008275.at n=16A039817
• a(n) = 2^(n-1)*(4*n-6) + 4.at n=12A048497
• a(n) = 144*n^2 - 161*n + 45.at n=24A156711
• Expansion of e.g.f. (log(1 + log(1 + log(1 + log(1 + log(1+ x))))))^2 / 2.at n=4A351527
• Position in A356226 of first appearance of the n-th composition in standard order (row n of A066099).at n=47A356603
• Expansion of (1/x) * Series_Reversion( x / (1 + x^2 * (1 + x)^2)^2 ).at n=11A389632