The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A317963 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A317963

First differences of A304360.
(history; published version)

#11 by Susanna Cuyler at Sun Aug 26 20:14:54 EDT 2018

STATUS

proposed

approved

#10 by Michel Marcus at Sun Aug 26 15:44:24 EDT 2018

STATUS

editing

proposed

#9 by Michel Marcus at Sun Aug 26 15:44:19 EDT 2018

KEYWORD

nonn,more,new

STATUS

proposed

editing

#8 by Robert Israel at Sun Aug 26 14:57:08 EDT 2018

STATUS

editing

proposed

#7 by Robert Israel at Sun Aug 26 14:56:56 EDT 2018

DATA

2, 1, 3, 2, 3, 3, 1, 3, 3, 2, 1, 5, 1, 2, 3, 3, 3, 3, 1, 3, 2, 9, 1, 2, 1, 2, 1, 5, 1, 5, 1, 5, 1, 3, 3, 2, 6, 3, 1, 3, 2, 4, 2, 7, 2, 1, 3, 2, 4, 2, 1, 9, 2, 1, 2, 4, 3, 2, 3, 4, 2, 1, 2, 6, 1, 2, 3, 1, 3, 5, 4, 3, 6, 2, 6, 1, 3, 3, 2, 3, 1, 3, 3, 2, 6, 3, 4, 2, 1, 5, 1, 3, 3, 5, 1, 2, 1, 2, 3

COMMENTS

Needs a b-file.

EXTENSIONS

More terms from Robert Israel, Aug 26 2018

#6 by Robert Israel at Sun Aug 26 14:55:32 EDT 2018

LINKS

Robert Israel, <a href="/A317963/b317963.txt">Table of n, a(n) for n = 1..10000</a>

MAPLE

A304360:= NULL: count:= 0:

P:= {}:

for n from 2 while count < 201 do

pn:= numtheory:-factorset(n);

if pn intersect P = {} then

count:= count+1;

A304360:= A304360, n;

P:= P union {ithprime(n)};

fi

od:

A304360:= [A304360]:

A304360[2..-1]-A304360[1..-2]; # Robert Israel, Aug 26 2018

STATUS

approved

editing

#5 by N. J. A. Sloane at Sun Aug 26 14:34:46 EDT 2018

STATUS

editing

approved

#4 by N. J. A. Sloane at Sun Aug 26 14:34:43 EDT 2018

COMMENTS

Appears be always positive.

Always positive (see A304360).

STATUS

approved

editing

#3 by N. J. A. Sloane at Sun Aug 26 14:26:05 EDT 2018

STATUS

editing

approved

#2 by N. J. A. Sloane at Sun Aug 26 14:26:03 EDT 2018

NAME

allocated for N. J. A. Sloane

First differences of A304360.

DATA

2, 1, 3, 2, 3, 3, 1, 3, 3, 2, 1, 5, 1, 2, 3, 3, 3, 3, 1, 3, 2, 9, 1, 2, 1, 2, 1, 5, 1, 5, 1, 5, 1, 3, 3, 2, 6, 3, 1, 3, 2, 4, 2, 7, 2, 1, 3, 2, 4, 2, 1, 9, 2, 1, 2, 4, 3, 2, 3

OFFSET

1,1

COMMENTS

Appears be always positive.

Needs a b-file.

CROSSREFS

Cf. A304360.

KEYWORD

allocated

nonn,more

AUTHOR

N. J. A. Sloane, Aug 26 2018

STATUS

approved

editing