A138834 - OEIS

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A138834

Bisection of even superperfect numbers A061652.

2

2, 16, 4096, 262144, 1152921504606846976, 81129638414606681695789005144064

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OFFSET

1,1

COMMENTS

Also, bisection of superperfect numbers A019279, if there are no odd superperfect numbers.

LINKS

Jinyuan Wang, Table of n, a(n) for n = 1..9

FORMULA

a(n) = A061652(2*n-1). - Jinyuan Wang, Mar 14 2020

CROSSREFS

Cf. A019279, A061652, A099057, A099058, A134721, A134722.

Sequence in context: A158506 A167435 A270124 * A088321 A061301 A180962

Adjacent sequences: A138831 A138832 A138833 * A138835 A138836 A138837

KEYWORD

nonn

AUTHOR

Omar E. Pol, Apr 06 2008

STATUS

approved