|
|
A351246
|
|
a(n) = n^6 * Sum_{p|n, p prime} 1/p^6.
|
|
11
|
|
|
0, 1, 1, 64, 1, 793, 1, 4096, 729, 15689, 1, 50752, 1, 117713, 16354, 262144, 1, 578097, 1, 1004096, 118378, 1771625, 1, 3248128, 15625, 4826873, 531441, 7533632, 1, 12437281, 1, 16777216, 1772290, 24137633, 133274, 36998208, 1, 47045945, 4827538, 64262144, 1, 93342313
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,4
|
|
LINKS
|
|
|
FORMULA
|
|
|
EXAMPLE
|
a(6) = 793; a(6) = 6^6 * Sum_{p|6, p prime} 1/p^6 = 46656 * (1/2^6 + 1/3^6) = 793.
|
|
CROSSREFS
|
Sequences of the form n^k * Sum_{p|n, p prime} 1/p^k for k = 0..10: A001221 (k=0), A069359 (k=1), A322078 (k=2), A351242 (k=3), A351244 (k=4), A351245 (k=5), this sequence (k=6), A351247 (k=7), A351248 (k=8), A351249 (k=9), A351262 (k=10).
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|