1,1

First appearance of string n in decimal expansion of Pi

Table of n, a(n) for n=1..50.

a(4) = 15 because string 15 is the first appearance of a decimal string having first appearance starting at digit 4 of the decimal expansion of Pi.

Cf. A032445, A000796.

Sequence in context: A153278 A010284 A095328 * A064809 A058361 A112668

Adjacent sequences: A066709 A066710 A066711 * A066713 A066714 A066715

base,nonn

Robert A. Stump (bee_ess107(AT)yahoo.com), Jan 13 2002

approved