The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A024780 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A024780

Every suffix prime and no 0 digits in base 5 (written in base 5).
(history; published version)

#10 by Michael De Vlieger at Wed Apr 27 15:01:53 EDT 2022

STATUS

reviewed

approved

#9 by Michel Marcus at Wed Apr 27 14:54:07 EDT 2022

STATUS

proposed

reviewed

#8 by Michael S. Branicky at Wed Apr 27 13:42:38 EDT 2022

STATUS

editing

proposed

#7 by Michael S. Branicky at Wed Apr 27 13:42:25 EDT 2022

PROG

Cf. A024779, A024781, A024782, A024783, A024784, A024785.

(Python)

from sympy import isprime

def afull():

prime_strings, alst = list("23"), []

while len(prime_strings) > 0:

alst.extend(sorted(int(p) for p in prime_strings))

candidates = set(d+p for p in prime_strings for d in "1234")

prime_strings = [c for c in candidates if isprime(int(c, 5))]

return alst

print(afull()) # Michael S. Branicky, Apr 27 2022

CROSSREFS

Cf. A024779, A024781, A024782, A024783, A024784, A024785.

#6 by Michael S. Branicky at Wed Apr 27 13:38:05 EDT 2022

PROG

Cf. A024779, A024781, A024782, A024783, A024784, A024785.

STATUS

approved

editing

#5 by Russ Cox at Fri Mar 30 18:35:23 EDT 2012

AUTHOR

_David W. Wilson (davidwwilson(AT)comcast.net)_

Discussion

Fri Mar 30

18:35

OEIS Server: https://oeis.org/edit/global/202

#4 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003

KEYWORD

nonn,base,fini,full,new

AUTHOR

David W. Wilson (davidwwilson(AT)attbicomcast.comnet)

#3 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

KEYWORD

nonn,base,fini,full,new

AUTHOR

dww

David W. Wilson (davidwwilson(AT)attbi.com)

#2 by N. J. A. Sloane at Mon May 08 03:00:00 EDT 2000

KEYWORD

nonn,base,fini,full,new

AUTHOR

wilson@ctron.com

dww

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

Every suffix prime and no 0 digits in base 5 (written in base 5).

DATA

2, 3, 12, 23, 32, 43, 232, 243, 412, 423, 2232, 4412, 4423, 22232, 222232

OFFSET

1,1

KEYWORD

nonn,base,fini,full

AUTHOR

wilson@ctron.com

STATUS

approved