29542
domain: N
Appears in sequences
- All 81 combinations of prefixing and following a(n) by a single digit are nonprime.at n=17A032734
- Composite numbers k such that all the decimal concatenations ik and ikj (i, j = 1...9) are also composite.at n=10A032737
- Numbers having four 4's in base 9.at n=25A043472
- Number of coverings of {1...n} by translation of a single set.at n=15A096202