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A205643
(2,k)-perfect numbers (A019278) such that the next (2,k)-perfect number has the same value of k (in A098223)
0
2, 84, 480, 32256, 58254, 61440, 1556480, 3932160, 1505806848, 107870873600, 1098437885952
OFFSET
1,1
COMMENTS
a(12) > 4*10^12, if it exists. - Giovanni Resta, Feb 26 2020
CROSSREFS
Sequence in context: A099373 A169601 A367900 * A215263 A265591 A348265
KEYWORD
nonn,more
AUTHOR
Jud McCranie, Feb 08 2012
EXTENSIONS
a(11) from Giovanni Resta, Feb 26 2020
STATUS
approved