31821472612
domain: N
Appears in sequences
- Word structures of length n using a 5-ary alphabet.at n=18A056272
- Number of palindromic structures using a maximum of five different symbols.at n=34A056470
- Number of palindromic structures using a maximum of five different symbols.at n=35A056470
- Number of periodic palindromic structures using a maximum of five different symbols.at n=35A056506