135876
domain: N
Appears in sequences
- Maximal entry in row n of triangle in A169945.at n=18A169949
- G.f.: A(x) = x + x*ITERATE^2(x + 2*x*ITERATE^2(x + 3*x*ITERATE^2(x + 4*x*ITERATE^2(x + ...)))), where ITERATE^2(F(x)) = F(F(x)), and the nested iterations continue indefinitely.at n=6A195193
- Integers that are Rhonda numbers to base 18.at n=31A255735
- Number of n X 5 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=17A280437