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A031517 Numbers n such that continued fraction for sqrt(n) has even period and central term 19. 0
363, 367, 379, 383, 387, 391, 411, 419, 431, 439, 1448, 1480, 1536, 1568, 1576, 1632, 1664, 1696, 1728, 1760, 3255, 3327, 3387, 3543, 3687, 3747, 3759, 3819, 3831, 3903, 3963, 5784, 5912, 5976, 6152, 6168, 6232, 6296, 6424, 6488, 6616, 6744, 6872, 6936 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A212324 A007565 A098253 * A192449 A116285 A031697

Adjacent sequences:  A031514 A031515 A031516 * A031518 A031519 A031520

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified March 22 04:32 EDT 2019. Contains 321406 sequences. (Running on oeis4.)