A056759 The 17 prime powers k = p^w such that d(p^w)^3 > p^w where d = A000005().

2, 3, 4, 5, 7, 8, 9, 16, 25, 27, 32, 64, 81, 128, 256, 512, 1024

Offset

1,1

Comments

For all divisors of the LCM of the terms of this sequence (14515200) the defining relation d(x)^3 > x is also satisfied.

Links

Table of n, a(n) for n=1..17.

Example

Differences d(x)^3 - x of the 17 entries of this sequence are 6, 5, 23, 3, 1, 56, 18, 109, 2, 37, 184, 279, 44, 384, 473, 488, 307.

Crossrefs

Cf. A035033-A035035, A034884, A000005, A056757-A056757, A056781.

Sequence in context: A111796 A039124 A335650 * A101511 A111747 A257594

Adjacent sequences: A056756 A056757 A056758 * A056760 A056761 A056762

Keyword

fini,full,nonn

Author

Labos Elemer, Aug 16 2000

Status

approved