137413
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- 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), (-1, 0, 1), (0, -1, 1), (1, 0, -1), (1, 1, 1)}.at n=9A149778
- a(n) = Sum_{k=0..n} q(k)^2, where q(k) = partition numbers into distinct parts (A000009).at n=27A265093
- Prime numbersat n=12795