122641
domain: N
Appears in sequences
- Number of cubic residues mod 3^n.at n=12A046631
- Number of cubic residues mod 9^n.at n=6A046637
- Numerator of the generalized harmonic number H(n,5,2).at n=5A075139
- Ceiling(3^n/n).at n=12A129787
- 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, 0, 0), (0, -1, 1), (0, 1, -1), (1, 1, 0)}.at n=10A149194
- Count of interior bounded regions in a regular 2n-sided polygon dissected by all diagonals parallel to sides.at n=27A165217
- Number of tilings of a 21 X n rectangle using 3n heptominoes of shape I.at n=17A251076
- Number of (n+2) X (1+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.at n=10A263334