A083835 Palindromes n such that 6n + 1 is also a palindrome.

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

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