129823
domain: N
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 81 ones.at n=7A031849
- Number of n-bead necklaces labeled with numbers -5..5 not allowing reversal, with sum zero.at n=6A208594
- T(n,k) = number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero.at n=61A208597
- Number of 7-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero.at n=4A208601