22465

Appears in sequences

• Sums of distinct powers of 12.at n=25A033048
• Sums of 3 distinct powers of 12.at n=7A038493
• Expansion of Product_{k>=1} (1 + A001055(k)*x^k).at n=43A066816
• Expansion of (1-x)^(-1)/(1-2*x+x^2+x^3).at n=24A077856
• Number of partitions of n with rank 2 (the rank of a partition is the largest part minus the number of parts).at n=55A101199
• a(n) = 15*n^2 - 9*n + 1.at n=39A134154
• 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, -1, 0), (1, 1, 0)}.at n=9A149238
• n^3 + 4*n^2 - 5*n + 1.at n=27A241577
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 453", based on the 5-celled von Neumann neighborhood.at n=32A272275
• a(n) = floor(2^n cot(1/n)).at n=10A333187