199808
domain: N
Appears in sequences
- List of pairs of consecutive refactorable numbers.at n=12A036898
- Numbers k such that k and k+1 are both refactorable numbers.at n=6A114617
- Number of 2Xn 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=12A302368