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A076890 Number of primes up to n-th palindromic number. 0
0, 1, 2, 2, 3, 3, 4, 4, 4, 5, 8, 11, 14, 16, 18, 21, 23, 25, 26, 29, 30, 32, 34, 36, 37, 39, 42, 43, 46, 47, 47, 50, 53, 54, 55, 58, 60, 61, 62, 65, 66, 67, 68, 71, 72, 74, 76, 77, 79, 80, 82, 84, 86, 87, 90, 91, 92, 94, 96, 97, 99, 99, 100, 101, 103, 105, 106, 108, 110, 112 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..70.

EXAMPLE

a(11)=8 because there are 8 primes up to 11th palindromic number (i.e. 22).

CROSSREFS

Sequence in context: A028825 A326492 A132924 * A103358 A063084 A127079

Adjacent sequences:  A076887 A076888 A076889 * A076891 A076892 A076893

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Nov 25 2002

STATUS

approved

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Last modified November 20 14:54 EST 2019. Contains 329337 sequences. (Running on oeis4.)