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A090564 Beginning with 2, least new prime such that the concatenation a(n), a(n-1), ...a(2), a(1), a(2), ...a(n) is prime. 1
2, 7, 3, 41, 13, 11, 139, 167, 73, 71, 313, 53, 3, 43, 431, 7, 227, 1021, 1097, 43, 149, 811, 3413, 163, 1571, 2551, 1607, 331, 1061, 991, 47, 1783, 1217, 223, 3251, 853, 797, 181, 4679, 337, 6779, 6793, 1811, 211, 251, 619, 1283, 811, 6047, 193, 443, 12853 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

CROSSREFS

Cf. A090565.

Sequence in context: A052091 A090276 A249782 * A306618 A079072 A004584

Adjacent sequences:  A090561 A090562 A090563 * A090565 A090566 A090567

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Dec 11 2003

EXTENSIONS

Extended by Max Alekseyev, Mar 09 2009

STATUS

approved

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Last modified June 12 20:08 EDT 2021. Contains 344963 sequences. (Running on oeis4.)