A069629 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A069629

a(1) = 2; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

2, 23, 223, 2237, 32237, 3223709, 63223709, 6322370909, 66322370909, 6632237090903, 36632237090903, 3663223709090329, 73663223709090329, 736632237090903299, 5736632237090903299, 573663223709090329963

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

CROSSREFS

Cf. A069614 to A069621, A069628 to A069636.

Sequence in context: A357436 A069837 A376434 * A069614 A036937 A083808

Adjacent sequences: A069626 A069627 A069628 * A069630 A069631 A069632

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Mar 27 2002

EXTENSIONS

Edited and extended by Robert G. Wilson v, Apr 03 2002

STATUS

approved