Numbers k such that the first k quaternary digits found in the base-10 expansion of Pi form a prime (when the decimal point is ignored).
A065840
Numbers k such that the first k quaternary digits found in the base-10 expansion of Pi form a prime (when the decimal point is ignored).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =10a(5) =19a(6) =72a(7) =115a(8) =220a(9) =315a(10) =375a(11) =12408
External references
- oeis: A065840