|
| |
|
|
A073224
|
|
Partial sum of Pi(k) from 1 to 10^n.
|
|
4
| |
|
|
27, 1465, 92041, 6554833, 504813055, 40947676475, 3442465670223, 296935715374179, 26108021958592999, 2329702677873323273, 210338403560373373799, 19172323465486902000641
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
MATHEMATICA
| s = 0; k = 1; Do[ While <= 10^n, s = s + PrimePi[k]; k++ ]; Print[s], {n, 1, 8}]
|
|
|
CROSSREFS
| Cf. A000720.
Sequence in context: A017103 A042407 A042404 * A184689 A059118 A017199
Adjacent sequences: A073221 A073222 A073223 * A073225 A073226 A073227
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 20 2002
|
|
|
EXTENSIONS
| a(9)-a(10) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 15 2009
a(11)-a(12) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Mar 19 2011
|
| |
|
|
