67524
domain: N
Appears in sequences
- Least number m such that floor((3^n-m)/(2^n-m)) > floor(3^n/2^n).at n=39A153725
- Number of -n..n arrays x(0..4) of 5 elements with zero sum, adjacent elements differing by more than one, and elements alternately increasing and decreasing.at n=12A200194
- Number of (n+1) X 5 0..1 matrices with each 2 X 2 subblock idempotent.at n=16A224546
- Convolution of nonzero squares (A000290) with nonzero pentagonal numbers (A000326).at n=15A271663
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 901", based on the 5-celled von Neumann neighborhood.at n=36A273744
- a(n) = Sum_{p in P} y(1)*y(2), where P is the set of partitions of n, and y(k) is the number of parts with multiplicity at least k in p.at n=32A316861