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A168519 Number of 2n-digit primes that are concatenation of n two-digit distinct primes p_1...p_n: 10<p_1<p_2<...<p_n>98. 0
21, 44, 323, 785, 2620, 4925, 10184, 13848, 19697, 19302, 19040, 13450, 9269, 4538, 2174, 633, 231, 44, 3, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

CROSSREFS

Cf. A168513 Number of 2n-digit primes that are concatenation of n two-digit distinct primes p_1...p_n, 98>p_1>p_2>...>p_n>10.

Sequence in context: A063319 A120071 A180863 * A003857 A317210 A099468

Adjacent sequences:  A168516 A168517 A168518 * A168520 A168521 A168522

KEYWORD

base,fini,full,nonn

AUTHOR

Zak Seidov, Nov 28 2009

STATUS

approved

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Last modified March 19 00:03 EDT 2019. Contains 321305 sequences. (Running on oeis4.)