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A030147 Palindromes in which parity of digits alternates. 4
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 101, 121, 141, 161, 181, 212, 232, 252, 272, 292, 303, 323, 343, 363, 383, 414, 434, 454, 474, 494, 505, 525, 545, 565, 585, 616, 636, 656, 676, 696, 707, 727, 747, 767, 787, 818, 838, 858, 878, 898, 909, 929, 949 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Index entries for sequences related to palindromes

FORMULA

A136522(a(n)) * A228710(a(n)) = 1. - Reinhard Zumkeller, Aug 31 2013

PROG

(Haskell)

a030147 n = a030147_list !! (n-1)

a030147_list = filter ((== 1) . a228710) a002113_list

-- Reinhard Zumkeller, Aug 31 2013

CROSSREFS

Intersection of A002113 and A030141.

Cf. A030143, A030144, A030152, subsequence of A030141.

Sequence in context: A083851 A071275 A050783 * A207954 A193412 A266139

Adjacent sequences:  A030144 A030145 A030146 * A030148 A030149 A030150

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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Last modified August 14 21:07 EDT 2018. Contains 313756 sequences. (Running on oeis4.)