login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A172295 Partial sums of A023201. 2

%I #10 Jan 18 2020 11:53:00

%S 5,12,23,36,53,76,107,144,185,232,285,346,413,486,569,666,767,870,977,

%T 1108,1259,1416,1583,1756,1947,2140,2363,2590,2823,3074,3331,3594,

%U 3865,4142,4449,4760,5091,5438,5791,6158,6531,6914,7347,7790,8247

%N Partial sums of A023201.

%C A023201 is also known as the smaller numbers of pairs of sexy primes. The subsequence of prime partial sums of smaller numbers of pairs of sexy primes begins 5, 23, 53, 107, 569, 977, 1259, 1583, 3331. The subsubsequence of smaller numbers of pairs of sexy prime partial sums of smaller numbers of pairs of sexy primes begins 5, 107, 977. This is to smaller members of sexy prime pairs as A172112 is to A023200 smaller member p of cousin prime pairs (p, p+4)

%H Harvey P. Dale, <a href="/A172295/b172295.txt">Table of n, a(n) for n = 1..1000</a>

%e a(19) = 5 + 7 + 11 + 13 + 17 + 23 + 31 + 37 + 41 + 47 + 53 + 61 + 67 + 73 + 83 + 97 + 101 + 103 + 107 = 977, which is A023201(73).

%t Accumulate[Select[Prime[Range[120]],PrimeQ[#+6]&]] (* _Harvey P. Dale_, Jan 18 2020 *)

%Y Cf. A000040, A023201, A172112.

%K easy,nonn

%O 1,1

%A _Jonathan Vos Post_, Jan 30 2010

%E More terms from _Sean A. Irvine_, Sep 27 2011

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)