448540
domain: N
Appears in sequences
- Number of equivalence classes with primitive period n of base 3 necklaces, where necklaces are equivalent under rotation and permutation of symbols.at n=15A002075
- Triangle of q-binomial coefficients for q=-3.at n=38A015110
- Triangle of q-binomial coefficients for q=-3.at n=42A015110
- Gaussian binomial coefficient [ n,2 ] for q = -3.at n=6A015251
- Gaussian binomial coefficient [ n,6 ] for q = -3.at n=2A015324
- Pentagonal numbers (A000326) whose digit reversal is the product of 2 palindromes greater than 1.at n=32A115703