A122548 Let N = 35711171923293137..., the concatenation of the odd primes. a(n) is the n-digit number formed from the digits of N starting from the {n(n-1)/2 +1}th digit. Omit any leading zeros.

3, 57, 111, 3171, 92329, 313741, 4347535, 96167717, 379838997, 1011031071, 9113127131, 137139149151, 1571631671731, 79181191193197, 199211223227229, 2332392412512572, 63269271277281283, 293307311313317331

Offset

1,1

Links

Table of n, a(n) for n=1..18.

Paul Cooijmans, Odds.

Crossrefs

Cf. A066549.

Sequence in context: A344690 A203483 A051227 * A078728 A032696 A337790

Adjacent sequences: A122545 A122546 A122547 * A122549 A122550 A122551

Keyword

base,nonn

Author

Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 19 2006

Status

approved