A135373 -id:A135373 - cp's OEIS frontend

A135371 a(n) = prime(3^(n + 1)) - prime(3^n).

3, 18, 80, 316, 1124, 3976, 13770, 46398, 155174, 512700, 1679218, 5454768, 17617664, 56578816, 180896064, 576041630, 1827788446, 5781493590, 18236550884, 57379347420, 180130119286, 564319058202, 1764618506934, 5508483994106, 17168384214168, 53431296170784

Offset: 0

Marvin Ray Burns, Dec 09 2007

nonn

Amiram Eldar, Table of n, a(n) for n = 0..35 (calculated from the b-file at A038833)

Cf. A000040, A038833, A110896, A135373.

Table[Prime[3^(n + 1)] - Prime[3^n], {n, 0, 26}]

a(n) = prime(3^(n + 1)) - prime(3^n); \\ Michel Marcus, Nov 15 2020

a(n) = A038833(n+1) - A038833(n). - Jinyuan Wang, Nov 14 2020

a(23)-a(25) from Jinyuan Wang, Nov 14 2020

A110896 Difference between prime(10^n) and prime(10^(n-1)).

Original entry on oeis.org

27, 512, 7378, 96810, 1194980, 14186154, 163938810, 1858650070, 20763688746, 229296037134, 2508629501894, 27235496973316, 293784284670498, 3151605249578196, 33649122286540910, 357782405858669892, 3790389667563960340, 40026493653364473662, 421463674881774896218

Offset: 1

Cino Hilliard, Sep 20 2005

nonn

			The (10^1)th prime is 29. The (10^0)th prime is 2 and the difference is 27 the first entry.

Amiram Eldar, Table of n, a(n) for n = 1..24

Cf. A000040, A006988, A135371, A135373.

Table[Prime[10^n] - Prime[10^(n - 1)], {n, 1, 12}] (* Marvin Ray Burns, Dec 09 2007 *)
Differences[Table[Prime[10^n],{n,0,12}]] (* Harvey P. Dale, Jul 03 2017 *)

a(n) = prime(10^n) - prime(10^(n-1)); \\ Jinyuan Wang, Nov 14 2020; adapted to offset by Georg Fischer, Jun 22 2022

from sympy import prime
def a(n): return prime(10**n)-prime(10**(n-1))
print([a(n) for n in range(1, 10)]) # Michael S. Branicky, Jun 22 2022

a(n) = A006988(n) - A006988(n-1) = prime(10^n) - prime(10^(n-1)). - Marvin Ray Burns, Dec 09 2007; corrected by Michel Marcus, Jun 22 2022

Corrected and extended by Marvin Ray Burns, Dec 09 2007

More terms from Jinyuan Wang, Nov 14 2020

cp's OEIS Frontend

A135371 a(n) = prime(3^(n + 1)) - prime(3^n).

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