A083438 Smallest 2n-1 digit palindromic prime with digit sum of 2n-1, or 0 if no such number exists.

10301, 1201021, 0, 10000900001, 1000027200001, 0, 10000025152000001, 1000000253520000001, 0, 10000000027372000000001, 1000000000275720000000001, 0, 10000000000046764000000000001, 1000000000000297920000000000001, 0, 10000000000000066966000000000000001

Offset

3,1

Comments

If 2n-1 is a multiple of 3 then a(n) = 0.

Links

Chai Wah Wu, Table of n, a(n) for n = 3..68

Crossrefs

Cf. A083440, A083442.

Sequence in context: A227411 A100502 A099746 * A212939 A237924 A255658

Adjacent sequences: A083435 A083436 A083437 * A083439 A083440 A083441

Keyword

base,nonn

Author

Amarnath Murthy, Apr 30 2003

Extensions

Definition corrected by and a(8)-a(18) from Chai Wah Wu, Nov 06 2015

Status

approved