50877
domain: N
Appears in sequences
- A B3-sequence: a(1) = 1; for n>1, a(n) = smallest number > a(n-1) such that the sums of any three terms are all distinct.at n=28A096772
- 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), (1, -1, 1), (1, 1, -1)}.at n=9A149051
- Numbers k such that k^3 divides 17^(k^2) + 1.at n=27A177817
- Number of tilings of a 5 X n rectangle using n pentominoes of shapes T, I, P.at n=11A247196
- Numbers k such that 32771*2^k + 1 is prime.at n=38A281483
- Numbers n such that n^2 divides (17^n + 1).at n=18A292392