138943
domain: N
Appears in sequences
- Numbers k that divide 5^k + 2.at n=4A123062
- Number of (n+1)X(1+1) 0..3 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.at n=5A232760
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.at n=15A232763
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.at n=20A232763
- a(n) = number of segments (edges) in the configuration A290447(n).at n=38A290866