51320
domain: N
Appears in sequences
- a(n) = a(n-1) + a(n-5); a(0) = ... = a(4) = 1.at n=41A003520
- Expansion of 1/(1 -x^5 -x^6 -x^7 - ...).at n=46A017899
- Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2,3}.at n=43A079955
- Sum C(n-4k,k-1), k=0..floor(n/5).at n=45A099562
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 217", based on the 5-celled von Neumann neighborhood.at n=7A270910
- Number of integer partitions of n with at least two but not all parts having a common divisor greater than 1.at n=41A303139
- Number of compositions of 5*n-4 into parts 1 and 5.at n=8A369839