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A037464 Bisection of A076605. 3
3, 5, 7, 7, 11, 13, 13, 17, 19, 19, 23, 23, 5, 29, 31, 31, 11, 37, 37, 41, 43, 43, 47, 47, 17, 53, 53, 19, 59, 61, 61, 13, 67, 67, 71, 73, 73, 11, 79, 79, 83, 83, 29, 89, 89, 31, 31, 97, 97, 101, 103, 103, 107, 109, 109, 113, 113, 23, 17, 17, 41, 41, 127, 127, 131, 131, 19 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..67.

FORMULA

Max (A006530(2n-1), A006530(2n+1)).

MATHEMATICA

Table[ Last[ Table[ # [[1]]] & /@ FactorInteger[n^2 - 1]], {n, 2, 150, 2}]

CROSSREFS

Cf. A076605, A074399.

Sequence in context: A082683 A084752 A260940 * A302564 A335046 A060265

Adjacent sequences:  A037461 A037462 A037463 * A037465 A037466 A037467

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Nov 29 2002

EXTENSIONS

Extended by Robert G. Wilson v, Dec 02 2002

STATUS

approved

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Last modified October 22 05:36 EDT 2021. Contains 348160 sequences. (Running on oeis4.)