Number of nX7 nonnegative integer arrays each row and column an ascent sequence (interior element no greater than one plus up-steps preceding it).
A202548
Number of nX7 nonnegative integer arrays each row and column an ascent sequence (interior element no greater than one plus up-steps preceding it).
Terms
- a(0) =1a(1) =64a(2) =10438a(3) =3249298a(4) =1605067272
External references
- oeis: A202548