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Revision History for A320679 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A320679

Number of 4-element subsets of [n] having a prime element sum.
(history; published version)

#4 by Alois P. Heinz at Fri Oct 19 10:24:43 EDT 2018

STATUS

editing

approved

#3 by Alois P. Heinz at Fri Oct 19 10:24:40 EDT 2018

LINKS

Alois P. Heinz, <a href="/A320679/b320679.txt">Table of n, a(n) for n = 4..500</a>

#2 by Alois P. Heinz at Fri Oct 19 08:33:37 EDT 2018

NAME

allocated for Alois P. Heinz

Number of 4-element subsets of [n] having a prime element sum.

DATA

0, 2, 4, 11, 21, 34, 53, 82, 118, 171, 241, 332, 444, 582, 741, 931, 1152, 1411, 1712, 2064, 2465, 2930, 3451, 4034, 4683, 5406, 6200, 7085, 8058, 9128, 10301, 11588, 12980, 14498, 16132, 17885, 19758, 21760, 23885, 26159, 28579, 31157, 33901, 36826, 39923

OFFSET

4,2

CROSSREFS

Column k=4 of A282516.

KEYWORD

allocated

nonn

AUTHOR

Alois P. Heinz, Oct 19 2018

STATUS

approved

editing

#1 by Alois P. Heinz at Fri Oct 19 08:30:02 EDT 2018

NAME

allocated for Alois P. Heinz

KEYWORD

allocated

STATUS

approved