The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A374290 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A374290

7-rough powerful numbers: numbers k coprime to 30 such that if a prime p divides k then p^2 also divides k.
(history; published version)

#14 by Amiram Eldar at Wed Jul 03 01:51:14 EDT 2024

STATUS

reviewed

approved

#13 by Joerg Arndt at Wed Jul 03 01:49:41 EDT 2024

STATUS

proposed

reviewed

#12 by Michel Marcus at Wed Jul 03 01:49:21 EDT 2024

STATUS

editing

proposed

#11 by Michel Marcus at Wed Jul 03 01:49:15 EDT 2024

REFERENCES

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/RoughNumber.html">Rough Number</a>.

<a href="/index/Pow#powerful">Index entries for sequences related to powerful numbers</a>.

LINKS

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/RoughNumber.html">Rough Number</a>.

<a href="/index/Pow#powerful">Index entries for sequences related to powerful numbers</a>.

STATUS

approved

editing

#10 by OEIS Server at Wed Jul 03 01:42:02 EDT 2024

LINKS

Amiram Eldar, <a href="/A374290/b374290_1.txt">Table of n, a(n) for n = 1..10000</a>

#9 by Michel Marcus at Wed Jul 03 01:42:02 EDT 2024

STATUS

reviewed

approved

Discussion

Wed Jul 03

01:42

OEIS Server: Installed first b-file as b374290.txt.

#8 by Joerg Arndt at Wed Jul 03 01:11:49 EDT 2024

STATUS

proposed

reviewed

#7 by Amiram Eldar at Tue Jul 02 15:09:16 EDT 2024

STATUS

editing

proposed

#6 by Amiram Eldar at Tue Jul 02 15:03:51 EDT 2024

CROSSREFS

Cf. A000961, A062739, A082695.

#5 by Amiram Eldar at Tue Jul 02 14:57:39 EDT 2024

LINKS

Amiram Eldar, <a href="/A374290/b374290_1.txt">Table of n, a(n) for n = 1..10000</a>