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Revision History for A197863 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A197863 Smallest powerful number that is a multiple of n.
(history; published version)
#32 by Joerg Arndt at Fri Sep 01 02:55:28 EDT 2023
STATUS

reviewed

approved

#31 by Michel Marcus at Fri Sep 01 02:47:45 EDT 2023
STATUS

proposed

reviewed

#30 by Amiram Eldar at Fri Sep 01 02:25:44 EDT 2023
STATUS

editing

proposed

#29 by Amiram Eldar at Fri Sep 01 02:22:18 EDT 2023
FORMULA

a(n) = n * A055231(n). - Amiram Eldar, Sep 01 2023

CROSSREFS

Cf. A055231, A087320, A001694, A086463.

STATUS

approved

editing

#28 by Michel Marcus at Sat Nov 19 04:48:00 EST 2022
STATUS

reviewed

approved

#27 by Joerg Arndt at Sat Nov 19 04:33:15 EST 2022
STATUS

proposed

reviewed

#26 by Amiram Eldar at Sat Nov 19 03:50:46 EST 2022
STATUS

editing

proposed

#25 by Amiram Eldar at Sat Nov 19 03:50:44 EST 2022
CROSSREFS

Cf. A087320, A001694, A086463.

STATUS

proposed

editing

#24 by Amiram Eldar at Sat Nov 19 03:48:52 EST 2022
STATUS

editing

proposed

#23 by Amiram Eldar at Sat Nov 19 03:08:05 EST 2022
FORMULA

Sum_{k=1..n} a(k) ~ c * n^3, where c = (Pi^2/18) * Product_{p prime} (1 - 2/p^2 + 2/p^4 - 1/p^5) = 0.2165355664... . - Amiram Eldar, Nov 19 2022

STATUS

approved

editing

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Last modified August 29 21:34 EDT 2024. Contains 375518 sequences. (Running on oeis4.)