The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A004939

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A004939

a(n) = round(n*phi^4), where phi is the golden ratio, A001622.
(history; published version)

#23 by Michel Marcus at Tue Dec 05 01:39:56 EST 2023

STATUS

reviewed

approved

#22 by Joerg Arndt at Tue Dec 05 00:09:02 EST 2023

STATUS

proposed

reviewed

#21 by G. C. Greubel at Tue Dec 05 00:05:23 EST 2023

STATUS

editing

proposed

#20 by G. C. Greubel at Tue Dec 05 00:03:45 EST 2023

PROG

(Magma) [Round(n*(7+3*Sqrt(5))/2): n in [0..80]]; // G. C. Greubel, Dec 04 2023

(SageMath) [round(golden_ratio^4*n) for n in range(81)] # G. C. Greubel, Dec 04 2023

STATUS

approved

editing

#19 by OEIS Server at Sun Oct 29 00:32:08 EDT 2023

LINKS

Paolo Xausa, <a href="/A004939/b004939_1.txt">Table of n, a(n) for n = 0..10000</a>

#18 by Joerg Arndt at Sun Oct 29 00:32:08 EDT 2023

STATUS

reviewed

approved

Discussion

Sun Oct 29

00:32

OEIS Server: Installed first b-file as b004939.txt.

#17 by Andrew Howroyd at Sat Oct 28 16:56:15 EDT 2023

STATUS

proposed

reviewed

#16 by Paolo Xausa at Sat Oct 28 14:42:17 EDT 2023

STATUS

editing

proposed

#15 by Paolo Xausa at Sat Oct 28 14:42:05 EDT 2023

LINKS

Paolo Xausa, <a href="/A004939/b004939_1.txt">Table of n, a(n) for n = 0..10000</a>

MATHEMATICA

Round[Range[0, 100]GoldenRatio^4] (* Paolo Xausa, Oct 28 2023 *)

STATUS

approved

editing

#14 by Michael De Vlieger at Sat Oct 28 09:32:51 EDT 2023

STATUS

reviewed

approved