123045
domain: N
Appears in sequences
- Positive numbers k such that k and 4*k are anagrams in base 6 (written in base 6).at n=18A023066
- a(n)/100000 gives log_10(n) to 5 places.at n=16A027665
- Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k UUUU's starting at level 0.at n=24A135309
- Number of Dyck paths of semilength n having no UUUU's starting at level 0.at n=12A135310