The On-Line Encyclopedia of Integer Sequences (OEIS)

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A109184

Palindromic primes with digit sum 20.
(history; published version)

#7 by Harvey P. Dale at Sat Jun 19 12:28:01 EDT 2021

STATUS

editing

approved

#6 by Harvey P. Dale at Sat Jun 19 12:27:59 EDT 2021

MATHEMATICA

Select[Prime[Range[5940000]], PalindromeQ[#]&&Total[IntegerDigits[#]]==20&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 19 2021 *)

STATUS

approved

editing

#5 by Joerg Arndt at Fri Nov 06 02:01:45 EST 2015

STATUS

proposed

approved

#4 by Chai Wah Wu at Thu Nov 05 21:51:22 EST 2015

STATUS

editing

proposed

#3 by Chai Wah Wu at Thu Nov 05 21:51:17 EST 2015

LINKS

Chai Wah Wu, <a href="/A109184/b109184.txt">Table of n, a(n) for n = 1..4732</a>

STATUS

approved

editing

#2 by Russ Cox at Fri Mar 30 17:26:17 EDT 2012

AUTHOR

_Zak Seidov (zakseidov(AT)yahoo.com), _, Jun 22 2005

Discussion

Fri Mar 30

17:26

OEIS Server: https://oeis.org/edit/global/139

#1 by N. J. A. Sloane at Tue Jul 19 03:00:00 EDT 2005

NAME

Palindromic primes with digit sum 20.

DATA

929, 16661, 17471, 36263, 70607, 72227, 73037, 91019, 1074701, 1082801, 1180811, 1262621, 1328231, 1360631, 1508051, 1532351, 1630361, 1712171, 1802081, 3160613, 3218123, 7014107, 7300037, 9002009, 102383201, 102707201, 103282301

OFFSET

1,1

COMMENTS

Cf. A070250 Palindromic primes with digit sum 10, A107579 Primes with digit sum = 10, A106760 Primes with digit sum = 20, A109185 Palindromic primes with digit sum 40.

CROSSREFS

Cf. A070250, A106760, A107579, A109185.

KEYWORD

base,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jun 22 2005

STATUS

approved