A138834 Bisection of even superperfect numbers A061652.

2, 16, 4096, 262144, 1152921504606846976, 81129638414606681695789005144064

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