|
| |
|
|
A358232
|
|
Numbers k for which A276086(k) == 1 mod A003415(k), where A276086 is the primorial base exp-function, and A003415 is the arithmetic derivative.
|
|
2
|
|
|
|
4, 16, 54, 66, 864, 1710, 18900, 71254, 120731, 492943, 625081, 700149, 1489459, 3564419, 44995876, 219794251, 297776323, 596506003, 642171139, 972082711, 1065608507, 1252704562, 1385872853, 1416187590, 1799971549, 1818740449
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Table of n, a(n) for n=1..26.
Index entries for sequences related to primorial base
|
|
|
PROG
|
(PARI)
A003415(n) = if(n<=1, 0, my(f=factor(n)); n*sum(i=1, #f~, f[i, 2]/f[i, 1]));
A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };
isA358232(n) = (1==(A276086(n)%A003415(n)));
|
|
|
CROSSREFS
|
Subsequence of A358228. Positions of 1's in A328382.
Cf. A003415, A276086.
Cf. also A358231.
Sequence in context: A192074 A293884 A121159 * A239032 A254823 A134968
Adjacent sequences: A358229 A358230 A358231 * A358233 A358234 A358235
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Antti Karttunen, Nov 25 2022
|
|
|
STATUS
|
approved
|
| |
|
|
