108911

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 60.at n=10A031738
• Numbers k that are divisors of the number formed by concatenating (k-1), k and (k+1), in that order.at n=36A088877
• a(n) = 121*n^2 + 11.at n=30A158536
• The upper (or right) offset of a 196-iterate (A006960) from the smallest palindrome greater than the iterate.at n=18A331557
• Positive numbers k such that the decimal expansions of k and 1/k have the same nonzero digits.at n=28A376089
• Numerators of the partial alternating sums of the reciprocals of the sum of bi-unitary divisors function (A188999).at n=32A379617