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A127916 Number of n-digit palindromes in bases 2 and 10. Also difference of A120764(n). 0
6, 2, 3, 2, 6, 1, 7, 1, 3, 2, 4, 2, 10, 1, 2, 2, 7, 2, 2, 3, 2, 0, 4, 0, 6, 1, 6, 1, 5, 1, 2, 0, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..33.

P. De Geest, Palindromic numbers beyond base 10

Charlton Harrison, Binary/Decimal Palindromes

EXAMPLE

Palindromes in bases 2 and 10 are (A007632): 0, 1, 3, 5, 7, 9, 33, 99, 313, 585, 717, 7447, 9009, 15351, 32223... So a(1)=6 one-digit numbers, a(2)=2 two-digit palindromes and so on.

CROSSREFS

Cf. A120764, A007632.

Sequence in context: A300892 A291359 A055942 * A165063 A307234 A021620

Adjacent sequences:  A127913 A127914 A127915 * A127917 A127918 A127919

KEYWORD

base,nonn

AUTHOR

Anton Chupin (chupin(AT)icmm.ru), Apr 08 2007

STATUS

approved

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)