41986

Appears in sequences

• T(n,1) + T(n,2) + ... + T(n,n), T given by A026703.at n=13A026710
• a(0) = 1; for n > 0, a(n) = 41*n^2 + 2.at n=32A206399
• Starts of runs of 3 consecutive Catalan-Niven numbers (A352508).at n=15A352510