Least prime factor of the integer formed by the first n decimal digits of Pi, or 0 if that number is prime.

A371224

Least prime factor of the integer formed by the first n decimal digits of Pi, or 0 if that number is prime.

Terms

    a(0) =0a(1) =0a(2) =2a(3) =3a(4) =5a(5) =0a(6) =2a(7) =2a(8) =3a(9) =3a(10) =5a(11) =2a(12) =13a(13) =163a(14) =43a(15) =13a(16) =2a(17) =317213509a(18) =2a(19) =2a(20) =2a(21) =2a(22) =2a(23) =2a(24) =83a(25) =41a(26) =2a(27) =3a(28) =2a(29) =3

External references