33744

Appears in sequences

• Number of boron trees with n nodes, i.e. n-node rooted trees with degree <= 3 at root and out-degree <= 2 elsewhere.at n=16A000671
• Number of stacks, or arrangements of n pennies in contiguous rows, each touching 2 in row below.at n=36A001524
• Denominators of continued fraction convergents to sqrt(858).at n=7A042657
• Number of n-dimensional partitions of 6.at n=15A042984
• Coefficients in expansion of Eisenstein series -q*E'_2.at n=36A076835
• 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, 0, 0), (0, 0, 1), (0, 1, 0), (1, -1, 1), (1, 1, -1)}.at n=8A150264
• a(n) = 2*n*(n+1)*(n+2)/3.at n=36A210440
• Number of 4 X n 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=10A302214
• Partial sums of the even triangular numbers (A014494).at n=36A352115