The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A236248 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A236248

Numbers m with C(2*m, m) - prime(m) prime, where C(2*m, m) = (2*m)!/(m!)^2.
(history; published version)

#17 by Bruno Berselli at Tue Jan 21 09:58:04 EST 2014

STATUS

proposed

approved

#16 by Zhi-Wei Sun at Tue Jan 21 08:19:40 EST 2014

STATUS

editing

proposed

#15 by Zhi-Wei Sun at Tue Jan 21 08:19:20 EST 2014

CROSSREFS

Cf. A000040, A000984, A236241, A236242, A236245, A236249, A236256.

STATUS

proposed

editing

#14 by Zhi-Wei Sun at Tue Jan 21 08:18:39 EST 2014

STATUS

editing

proposed

#13 by Zhi-Wei Sun at Tue Jan 21 08:17:38 EST 2014

COMMENTS

ByAccording According to the conjecture in A236256, this sequence should have infinitely many terms.

STATUS

approved

editing

#12 by OEIS Server at Tue Jan 21 07:56:33 EST 2014

LINKS

Zhi-Wei Sun, <a href="/A236248/b236248_1.txt">Table of n, a(n) for n = 1..34</a>

#11 by N. J. A. Sloane at Tue Jan 21 07:56:33 EST 2014

STATUS

editing

approved

Discussion

Tue Jan 21

07:56

OEIS Server: Installed new b-file as b236248.txt.  Old b-file is now b236248_1.txt.

#10 by N. J. A. Sloane at Tue Jan 21 07:56:30 EST 2014

COMMENTS

By ByAccording to the conjecture in A236256, this sequence should have infinitely many terms.

STATUS

proposed

editing

#9 by Zhi-Wei Sun at Tue Jan 21 05:37:40 EST 2014

STATUS

editing

proposed

#8 by Zhi-Wei Sun at Tue Jan 21 05:36:59 EST 2014

COMMENTS

Conjecture: This By the conjecture in A236256, this sequence contains should have infinitely many terms.

See A236242 A236249 for a similar sequenceprimes of the form C(2*m, m) - prime(m).

See also A236242 for a similar sequence.

CROSSREFS

Cf. A000040, A000984, A236241, A236242, A236245, A236256.

STATUS

proposed

editing