A110763 a(0) =1, a(n+1) = pi(N), N = concatenation a(1), a(2), a(3), ...a(n).

1, 0, 4, 27, 1275, 5993323, 31080478398788

Offset

0,3

Links

Table of n, a(n) for n=0..6.

Example

a(0) = 1, a(1) = pi(1) = 0, a(2) = pi(10) = 4
a(3) = pi(104) = 27.

Crossrefs

Cf. A110762.

Sequence in context: A133032 A271385 A347146 * A066352 A357561 A249105

Adjacent sequences: A110760 A110761 A110762 * A110764 A110765 A110766

Keyword

base,more,nonn

Author

Amarnath Murthy, Aug 11 2005

Extensions

a(6) from Giovanni Resta, Oct 21 2018

Status

approved