The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A256703 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A256703

Numbers m such that A166133(m+1) = A166133(m)^2 - 1.
(history; published version)

#8 by Ray Chandler at Mon Apr 13 14:44:35 EDT 2015

STATUS

editing

approved

#7 by Ray Chandler at Mon Apr 13 14:44:30 EDT 2015

DATA

4, 292, 330, 615, 625, 744, 982, 1075, 1671, 2176, 2389, 2820, 2937, 3228, 3598, 4187, 6590, 7803, 9960, 10173, 11628, 13140, 13396, 14035, 15588, 16396, 17766, 18813, 19858, 21111, 21115, 21246, 22808, 23241, 24784, 25050, 25149, 25167, 25384, 26121, 29080, 29435, 29716, 31137, 31249, 31543, 32124, 32644, 34050, 34350

STATUS

approved

editing

#6 by Ray Chandler at Mon Apr 13 14:43:49 EDT 2015

STATUS

editing

approved

#5 by Ray Chandler at Mon Apr 13 14:42:36 EDT 2015

DATA

LINKS

Ray Chandler, <a href="/A256703/b256703.txt">Table of n, a(n) for n = 1..6575</a>

KEYWORD

nonn,more,new

STATUS

approved

editing

#4 by Reinhard Zumkeller at Wed Apr 08 12:25:34 EDT 2015

STATUS

editing

approved

#3 by Reinhard Zumkeller at Wed Apr 08 12:18:21 EDT 2015

PROG

-- Reinhard Zumkeller, Apr 08 2015

#2 by Reinhard Zumkeller at Wed Apr 08 12:17:04 EDT 2015

NAME

allocated for Reinhard ZumkellerNumbers m such that A166133(m+1) = A166133(m)^2 - 1.

DATA

4, 292, 330, 615, 625, 744, 982, 1075, 1671, 2176, 2389, 2820, 2937, 3228, 3598, 4187, 6590, 7803, 9960

OFFSET

1,1

PROG

(Haskell)

import Data.List (findIndices)

a256703 n = a256703_list !! (n-1)

a256703_list = map (+ 1) $ findIndices (\(u, v) -> v == u^2-1) $

zip a166133_list (tail a166133_list)

-- Reinhard Zumkeller, Apr 08 2015

CROSSREFS

Cf. A166133.

KEYWORD

allocated

nonn,more

AUTHOR

Reinhard Zumkeller, Apr 08 2015

STATUS

approved

editing

#1 by Reinhard Zumkeller at Wed Apr 08 12:02:52 EDT 2015

NAME

allocated for Reinhard Zumkeller

KEYWORD

allocated

STATUS

approved