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!)
A348777 a(n) = term in A347113 that precedes the n-th prime. Set a(n) = -1 if prime(n) does not appear in A347113. 2

%I #10 Nov 08 2021 17:59:31

%S 5,14,94,13,21,38,118,56,45,86,92,73,122,214,93,158,117,121,133,141,

%T 218,394,165,177,290,302,205,213,326,225,253,261,958,694,446,301,1726,

%U 325,333,345,357,542,381,385,393,8158,421,445,453,686,698,477,481,501,513,525,537,1354,553,842

%N a(n) = term in A347113 that precedes the n-th prime. Set a(n) = -1 if prime(n) does not appear in A347113.

%H Alois P. Heinz, <a href="/A348777/b348777.txt">Table of n, a(n) for n = 1..1000</a>

%e A347113(11) = 3 is preceded by A347113(10) = 14, and 3 is the 2nd prime, so a(2) = 14. Also (14+1)/3 = 5 = A348778(2).

%Y Cf. A347113, A347313, A348778.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Nov 08 2021

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 March 1 18:30 EST 2024. Contains 370443 sequences. (Running on oeis4.)