125050
domain: N
Appears in sequences
- Subset of A020342 (vampire numbers, definition 1) listing numbers which have more than one such representation of the desired form.at n=32A144563
- 1/4 the number of (n+1) X 2 0..3 arrays with no 2 X 2 subblock having sum 6.at n=3A183794
- 1/4 the number of (n+1)X5 0..3 arrays with no 2X2 subblock having sum 6.at n=0A183797
- T(n,k) = 1/4 the number of (n+1) X (k+1) 0..3 arrays with no 2 X 2 subblock having sum 6.at n=6A183802
- T(n,k) = 1/4 the number of (n+1) X (k+1) 0..3 arrays with no 2 X 2 subblock having sum 6.at n=9A183802