12964224
domain: N
Appears in sequences
- a(n) is the number of sets of natural numbers [a,b,c,d,e] that can be produced with the numbers [0..n] such that the values of all the distinct parenthesized expressions of a-b-c-d-e are different.at n=27A054026
- Number of n X 5 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.at n=6A297335
- Number of 7Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.at n=4A297344