A031528 that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 30.

902, 918, 926, 934, 946, 958, 974, 978, 982, 998, 1006, 1022, 2028, 2037, 2049, 2073, 2094, 2109, 2127, 2157, 2163, 2181, 2199, 2217, 2229, 2238, 2253, 2271, 2301, 3604, 3628, 3644, 3676, 3692, 3700, 3708, 3716, 3740, 3748, 3764, 3788, 3796, 3804, 3812

Offset

1,1

Links

Table of n, a(n) for n=1..44.

Crossrefs

Sequence in context: A224611 A345537 A345789 * A158406 A323143 A284744

Adjacent sequences: A031525 A031526 A031527 * A031529 A031530 A031531

Keyword

nonn

Author

David W. Wilson

Status

approved