65679652

Appears in sequences

• Conway-Guy sequence: a(n + 1) = 2a(n) - a(n - floor( 1/2 + sqrt(2n) )).at n=28A005318
• The sequence "u_{n-r}" used by Conway and Guy in the construction of A005318 and A096858.at n=35A205744
• The sequence "u_{n-r}" used by Conway and Guy in the construction of A005318 and A096858.at n=36A205744
• Subsequence A005318(t_n), where t_n is the n-th triangular number (A000217).at n=7A206239