26558
domain: N
Appears in sequences
- Numbers k such that (k! + 3)/3 is prime.at n=21A089085
- Alternating row sums of triangle A134285, called s2(3)'.at n=9A134827
- Number of binary strings of length n with no substrings equal to 0011 0101 or 1100.at n=18A164505
- Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4.at n=5A196598
- Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4.at n=4A196599
- T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4.at n=49A196601
- T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4.at n=50A196601
- A213784/12.at n=41A213789
- Number of partitions of n such that (number parts having multiplicity 1) is a part and (number of 1s) is not a part.at n=44A241508
- Number of length 2+2 0..n arrays with no pair in any consecutive three terms totalling exactly n.at n=12A245997
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 589", based on the 5-celled von Neumann neighborhood.at n=29A273113
- Number of integers in n-th generation of tree T(5/2) defined in Comments.at n=27A274153