A181706 Numbers of the form 2^(t-1)*(2^t-17), where 2^t-17 is prime.

1504, 30592, 8353792, 2146926592, 34357510144, 549746900992, 8796057370624, 140737345748992, 9223372000347553792, 2361183240850707054592, 9671406556879650002305024, 154742504910523000781012992

Offset

1,1

Comments

All entries are near-perfect numbers (A181595). The proof follows as in A181705, but this time the abundance is 16.

Links

Table of n, a(n) for n=1..12.

Crossrefs

Cf. A059611, A181595, A181701, A000396, A181703, A181704, A181705.

Sequence in context: A237136 A183786 A181599 * A092725 A097034 A059464

Adjacent sequences: A181703 A181704 A181705 * A181707 A181708 A181709

Keyword

nonn

Author

Vladimir Shevelev, Nov 06 2010

Status

approved