777771

Appears in sequences

• a(n) = 1 + 111110*n.at n=7A135403
• A007318 * A002110; a(n) = Sum_{k=0..n} binomial(n,k)*A002110(k).at n=7A136104
• 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, 0), (-1, 1, 1), (1, 0, -1), (1, 0, 0), (1, 0, 1)}.at n=10A150445
• a(n) = (7*10^n - 61)/9 for n > 0.at n=5A173806
• Square array A(row,col) = Sum_{k=0..row} binomial(row,k)*A002110(col+k), read by descending antidiagonals as A(0,0), A(0,1), A(1,0), A(0,2), A(1,1), A(2,0), ...at n=35A276586
• Transpose of square array A276586.at n=28A276587