The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A262501

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A262501

First differences of A002182 (highly composite numbers, definition 1).
(history; published version)

#8 by N. J. A. Sloane at Fri Oct 02 12:05:47 EDT 2015

STATUS

proposed

approved

#7 by Antti Karttunen at Fri Sep 25 18:24:42 EDT 2015

STATUS

editing

proposed

#6 by Antti Karttunen at Fri Sep 25 18:09:08 EDT 2015

LINKS

Antti Karttunen, <a href="/A262501/b262501.txt">Table of n, a(n) for n = 1..999</a> (computed from the b-file of A002182 provided by _T. D. Noe_.)

#5 by Antti Karttunen at Fri Sep 25 18:07:39 EDT 2015

LINKS

Antti Karttunen, <a href="/A262501/b262501.txt">Table of n, a(n) for n = 1..999</a>

#4 by Antti Karttunen at Thu Sep 24 15:06:51 EDT 2015

CROSSREFS

Cf. A002182, A261100.

#3 by Antti Karttunen at Thu Sep 24 13:31:10 EDT 2015

NAME

allocated for Antti KarttunenFirst differences of A002182 (highly composite numbers, definition 1).

DATA

1, 2, 2, 6, 12, 12, 12, 12, 60, 60, 60, 120, 360, 120, 420, 420, 840, 2520, 2520, 2520, 5040, 5040, 5040, 2520, 17640, 5040, 5040, 27720, 27720, 55440, 55440, 55440, 55440, 166320, 55440, 110880, 55440, 360360, 360360, 720720, 720720, 720720, 720720, 2162160, 720720, 1441440, 2162160, 3603600, 2882880, 4324320, 10810800, 4324320, 6486480, 18018000

OFFSET

1,2

FORMULA

a(n) = A002182(n+1) - A002182(n).

PROG

(Scheme) (define (A262501 n) (- (A002182 (+ 1 n)) (A002182 n)))

CROSSREFS

Cf. A002182.

Cf. also A054481 (gives the gcds of successive terms of A002182, from which this sequence differs for the first time at n=25).

KEYWORD

allocated

nonn

AUTHOR

Antti Karttunen, Sep 24 2015

STATUS

approved

editing

#2 by Antti Karttunen at Thu Sep 24 13:17:53 EDT 2015

KEYWORD

allocating

allocated

#1 by Antti Karttunen at Thu Sep 24 13:17:53 EDT 2015

NAME

allocated for Antti Karttunen

KEYWORD

allocating

STATUS

approved