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A083835 Palindromes n such that 6n + 1 is also a palindrome. 3
1, 9, 99, 121, 131, 999, 9999, 12021, 12121, 13031, 13131, 99999, 999999, 1202021, 1203021, 1212121, 1213121, 1302031, 1303031, 1312131, 1313131, 9999999, 99999999, 120202021, 120212021, 120303021, 120313021, 121202121, 121212121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..29.

CROSSREFS

Cf. A083829, A083830, A083832, A083834, A083836.

Sequence in context: A121706 A306567 A061817 * A305670 A045644 A116136

Adjacent sequences:  A083832 A083833 A083834 * A083836 A083837 A083838

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 09 2003

EXTENSIONS

Corrected and extended by Ray Chandler, May 21 2003

STATUS

approved

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Last modified December 5 15:11 EST 2019. Contains 329753 sequences. (Running on oeis4.)