|
|
|
|
|
|
|
|
|
#10 by Joerg Arndt at Sun Jun 16 03:54:01 EDT 2024
|
|
|
|
|
|
|
|
#9 by Joerg Arndt at Sun Jun 16 03:53:51 EDT 2024
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#10 by Joerg Arndt at Sun Jun 16 02:58:40 EDT 2024
|
|
|
|
|
|
|
|
#9 by Joerg Arndt at Sun Jun 16 02:58:34 EDT 2024
|
|
| NAME
|
a(n) is the multiplier of the coefficient of (1/8)*n^4 in the empirical formula for the n-th row of A242322.
|
|
| DATA
|
1, 5, 21, 77, 261, 845, 2661
|
|
| OFFSET
|
1,2
|
|
| COMMENTS
|
The formula for all rows of A242322 has a coefficient multipled by (1/8)*n^4. This is the sequence for the coefficients of (1/8)*n^4.
|
|
| CROSSREFS
|
Cf. A242322.
|
|
| KEYWORD
|
nonn,more,changed
recycled
|
|
| AUTHOR
|
Soroush Vahidi, Jun 16 2024
|
|
|
|
|
|
|
|
|
|
|
|
|
#9 by Joerg Arndt at Sun Jun 16 02:57:35 EDT 2024
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#8 by Joerg Arndt at Sun Jun 16 02:56:35 EDT 2024
|
|
|
|
|
|
Discussion
|
| Sun Jun 16
| 02:58
| Joerg Arndt: On top of that, all terms are conjectural. Rejecting this one.
|
|
|
|
|
|
|
|
|
|
|
|
|
#10 by Joerg Arndt at Sun Jun 16 02:15:04 EDT 2024
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#51 by Joerg Arndt at Sun Jun 16 02:14:53 EDT 2024
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#24 by Joerg Arndt at Sun Jun 16 02:14:48 EDT 2024
|
|
|
|
|
|
|
|
|
| A373705
|
|
a(n) is the least start of a run of exactly n successive powerful numbers that are pairwise coprime, or -1 if no such run exists.
(history;
published version)
|
|
|
|
|
#11 by Joerg Arndt at Sun Jun 16 02:12:42 EDT 2024
|
|
|
|
|
|
|
