55451
domain: N
Appears in sequences
- a(n) = n + n*(n-1)*(n-2)*(n-3)*(n-4).at n=11A001095
- Number of (n+1)X2 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=7A184087
- Number of (n+1)X9 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=0A184094
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=28A184095
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=35A184095
- Where the ratio A235027(n)/n obtains record values.at n=16A290078