A138834 Bisection of even superperfect numbers A061652.

2, 16, 4096, 262144, 1152921504606846976, 81129638414606681695789005144064

Offset: 1

Author

Omar E. Pol, Apr 06 2008

Keywords

• nonn

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

Crossrefs

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

Formula

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