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A083193 a(1) = 1 and then primes arising in A083192. Concatenation of n-th term to (2n-1)th term of A083192. 1
1, 421, 21649, 649877, 49877939, 8779391081, 77939108112221, 9391081122211463, 39108112221146315203, 10811222114631520316143, 81122211463152031614318511, 12221146315203161431851120217 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

421, 21649, etc. are primes.

CROSSREFS

Cf. A083192.

Sequence in context: A302533 A303414 A242149 * A340871 A303334 A109505

Adjacent sequences: A083190 A083191 A083192 * A083194 A083195 A083196

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Apr 27 2003

EXTENSIONS

Correct a(6)=8779391081 and extended by Ray Chandler, Jan 04 2009

STATUS

approved

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Last modified December 2 15:00 EST 2022. Contains 358510 sequences. (Running on oeis4.)