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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
OFFSET
1,2
EXAMPLE
421, 21649, etc. are primes.
CROSSREFS
Cf. A083192.
Sequence in context: A302533 A303414 A242149 * A340871 A303334 A109505
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Apr 27 2003
EXTENSIONS
Correct a(6)=8779391081 and extended by Ray Chandler, Jan 04 2009
STATUS
approved