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A064077 Greater of odd twin prime powers (lesser = A064076). 2
5, 7, 9, 11, 13, 19, 25, 27, 29, 31, 43, 49, 61, 73, 81, 83, 103, 109, 127, 139, 151, 169, 181, 193, 199, 229, 241, 243, 271, 283, 313, 349, 361, 421, 433, 463, 523, 571, 601, 619, 643, 661, 729, 811, 823, 829, 841, 859, 883, 1021, 1033, 1051, 1063, 1093, 1153 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A006512 is a proper subsequence of A064077 (as A001359 is of A064076).

LINKS

Table of n, a(n) for n=1..55.

EXAMPLE

a(16) = 83^1 and 83 - 1 = 81 = 3^4 = A064076(16); a(20) = 139^1 and 139 - 2 = 137^1 = A064077(20).

CROSSREFS

A064076, A000961, A006512.

Sequence in context: A158439 A124112 A049758 * A026282 A314375 A309747

Adjacent sequences:  A064074 A064075 A064076 * A064078 A064079 A064080

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Sep 01 2001

STATUS

approved

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Last modified June 21 10:09 EDT 2021. Contains 345360 sequences. (Running on oeis4.)