The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A357325 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A357325

a(n) is the unique number m such that A034460(m) = A357324(n).
(history; published version)

#11 by Joerg Arndt at Wed Sep 28 03:53:16 EDT 2022

STATUS

reviewed

approved

#10 by Michel Marcus at Wed Sep 28 03:33:10 EDT 2022

STATUS

proposed

reviewed

#9 by Amiram Eldar at Wed Sep 28 03:22:23 EDT 2022

STATUS

editing

proposed

#8 by Amiram Eldar at Wed Sep 28 03:17:11 EDT 2022

LINKS

Amiram Eldar, <a href="/A357325/b357325.txt">Table of n, a(n) for n = 1..10000</a>

STATUS

approved

editing

#7 by Amiram Eldar at Sun Sep 25 05:53:24 EDT 2022

STATUS

editing

approved

#6 by Amiram Eldar at Sun Sep 25 05:53:05 EDT 2022

NAME

a(n) is the unique number m such that A063919A034460(m) = A357324(n).

FORMULA

A063919A034460(a(n)) = A357324(n).

CROSSREFS

Cf. A001065, A034460, A057709, A357324.

STATUS

approved

editing

#5 by Michel Marcus at Sun Sep 25 05:08:29 EDT 2022

STATUS

reviewed

approved

#4 by Joerg Arndt at Sun Sep 25 05:04:41 EDT 2022

STATUS

proposed

reviewed

#3 by Amiram Eldar at Sat Sep 24 06:13:30 EDT 2022

STATUS

editing

proposed

#2 by Amiram Eldar at Sat Sep 24 06:08:32 EDT 2022

NAME

allocated for Amiram Eldara(n) is the unique number m such that A063919(m) = A357324(n).

DATA

6, 15, 21, 35, 250, 138, 4192, 10048, 6112, 748, 20736, 5968, 802, 12256, 41728, 3592, 498, 53632, 8656, 80128, 2284, 2308, 36352, 2372, 10288, 5272, 11728, 84352, 1594, 630, 6472, 48448, 6616, 50368, 1426, 1762, 102016, 172288, 32416, 8872, 2328, 9544, 19408

OFFSET

1,1

FORMULA

A063919(a(n)) = A357324(n).

MATHEMATICA

us[1] = 0; us[n_] := Times @@ (1 + Power @@@ FactorInteger[n]) - n; m = 1500; v = s = Table[0, {m}]; Do[u = us[k]; If[2 <= u <= m, v[[u]]++; s[[u]] = k], {k, 1, m^2}]; s[[Position[v, 1] // Flatten]]

CROSSREFS

The unitary version of A357313.

Cf. A001065, A057709, A357324.

KEYWORD

allocated

nonn

AUTHOR

Amiram Eldar, Sep 24 2022

STATUS

approved

editing