72827
domain: N
Appears in sequences
- Consider recurrence b(0) = (2n+1)/2, b(n) = b(0)*floor(b(n-1)); sequence gives first integer reached.at n=7A087675
- a(n) = A088760(n+1)/A088760(n).at n=14A088761
- Number of zero-sum -n..n arrays of 4 elements with first and second differences also in -n..n.at n=40A201875
- Palindromic composite numbers starting with a digit 7.at n=38A222728