226027

Properties

Appears in sequences

• Convolution of triangular numbers with partition numbers.at n=25A086716
• 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), (0, 1, 1), (1, 0, 1), (1, 1, -1)}.at n=9A150648
• Number of binary strings of length n with no substrings equal to 000 or 011.at n=39A164315
• Expansion of x*(1+x+x^2) / ( (x-1)*(x^3+x^2-1) ).at n=39A171861
• Number of permutations of [n] avoiding {1324, 2341, 4123}.at n=12A294703
• Prime numbersat n=20108