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A162843 Let b(n) be the n-th positive integer that is a palindrome in base 2. a(n) = the smallest multiple of b(n) that is > b(n) and that is also a palindrome in binary. 2
3, 9, 15, 21, 27, 45, 51, 63, 189, 93, 99, 495, 153, 189, 195, 219, 255, 1023, 297, 13803, 6307, 381, 387, 765, 495, 2457, 585, 1533, 693, 765, 771, 819, 891, 20345, 975, 1023, 20805, 4953, 1161, 2015, 69601, 25251, 1365, 157785, 19305, 1533, 1539, 2805 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Sean A. Irvine and Chai Wah Wu, Table of n, a(n) for n = 1..10000 (a(n) for n = 1..100 from Sean A. Irvine)

CROSSREFS

Cf. A162844.

Sequence in context: A016945 A222640 A110108 * A102954 A272749 A273560

Adjacent sequences:  A162840 A162841 A162842 * A162844 A162845 A162846

KEYWORD

base,nonn

AUTHOR

Leroy Quet, Jul 14 2009

EXTENSIONS

More terms from Sean A. Irvine, Nov 22 2010

STATUS

approved

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Last modified February 18 05:48 EST 2018. Contains 299298 sequences. (Running on oeis4.)