44455

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 21 ones.at n=25A031789
• Numbers k such that binomial(5k, k) - 1 is prime.at n=19A125242
• Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and first differences in -n..n.at n=17A208996
• Numbers which have only digits 4 and 5 in base 10.at n=33A256290
• Number of ways to split an n-cycle into connected subgraphs, all having at least three vertices.at n=28A323951
• Elements of cycles for iterations of A329623: n -> |n - concat(sum of adjacent digits of n)|.at n=26A328142
• Smallest elements of the cycles of (iterations of) A329623: n -> |concat(sum of adjacent digits of n) - n|.at n=20A328279