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A031576 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 78. 0
6086, 6098, 6102, 6114, 6134, 6158, 6166, 6182, 6194, 6198, 6226, 6238, 6246, 6278, 6294, 6302, 6306, 6326, 6334, 6338, 6358, 6374, 6382, 6398, 13692, 13701, 13737, 13749, 13758, 13764, 13773, 13791, 13809, 13863, 13881, 13917, 13929, 13953, 13989 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

CROSSREFS

Sequence in context: A084804 A274360 A025515 * A204966 A252329 A156200

Adjacent sequences:  A031573 A031574 A031575 * A031577 A031578 A031579

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified December 8 00:04 EST 2021. Contains 349590 sequences. (Running on oeis4.)