30505
domain: N
Appears in sequences
- Downward vertical of triangular spiral in A051682.at n=41A081272
- G.f.: (1+x+x^2-sqrt(1+2x+3x^2-2x^3+x^4))/2.at n=23A129509
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 9.at n=46A136891
- 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), (0, -1, 1), (1, 0, 0), (1, 0, 1), (1, 1, -1)}.at n=8A150419
- Number of partitions of n containing a clique of size 4.at n=43A183561
- a(n) = A333650(n, 3) for n >= 3; a(1) = a(2) = 0.at n=14A339493
- Consecutive states of the linear congruential pseudo-random number generator 20403*s mod 2^15 when started at s=1.at n=2A384196