47268

Appears in sequences

• Numbers k such that 2k-1 divides 2^k-1.at n=28A081856
• Number of (3+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=30A258556
• First elements of maximal isospectral chains of length 3.at n=5A335082
• Number of ways to write n as an ordered sum of 6 nonzero decimal palindromes.at n=41A341203