125000000000
domain: N
Appears in sequences
- a(n) = denominator(N), where N = 0.246...(2n) is the concatenation of the first n even numbers after decimal point.at n=7A078260
- Expansion of (1 + 8x - 42x^2 - 392x^3)/(1 - 99x^2 + 2450x^4).at n=13A097114
- Number of (n+2)X(2+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=6A250595
- Number of (n+2)X(7+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=1A250600
- Number of (n+2)X(2+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=3A250862
- Number of (n+2)X(4+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=1A250864
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=11A250868
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=13A250868