26998

Appears in sequences

• Expansion of (1-x)/(1-3x-4x^2+4x^3).at n=8A052965
• n-th positive integer whose digits sum up to n.at n=33A081927
• Numbers n such that 1 + Sum{k=1..n/2} A001223(2k-1)*(-1)^k = 0.at n=23A130642
• Numbers n such that 1 - S(n) = 0, where S(n) = (S(n-1) + A000040(n))*(-1)^n; S(0)=0, n=>1.at n=29A131197
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 0), (-1, 0, 1), (1, 0, 0), (1, 1, 0)}.at n=8A150665
• n-th zerofree positive number with digital sum n.at n=33A181178