53888domain: NAppears in sequencesExpansion of e.g.f. 1/(1 - 2*sinh(x)).at n=6A000557a(n) = (10^n + 6^n)/2.at n=5A152105Multiply a(n-1) by 2 and drop all 0's.at n=35A242350Triangle read by rows: coefficients of expansion of certain sums P_2(n,k) of Fibonacci numbers as a sum of powers.at n=21A341724