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A056759 The 17 prime powers k = p^w such that d(p^w)^3 > p^w where d = A000005(). 0

%I #6 Dec 12 2021 19:59:07

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

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

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

%e 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.

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

%K fini,full,nonn

%O 1,1

%A _Labos Elemer_, Aug 16 2000

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)