|
Search: id:A089204
|
|
|
| A089204 |
|
Triangle read by rows: T(n,k) = numerator of P(n, k) = 1 - n!/(n^k*(n-k)!). |
|
+0
2
|
|
| 1, 1, 7, 1, 5, 29, 1, 13, 101, 601, 1, 4, 13, 49, 319, 1, 19, 223, 2041, 16087, 116929, 1, 11, 151, 407, 3781, 16069, 130757, 1, 25, 131, 1627, 17443, 56809, 526961, 4778489, 1, 7, 62, 436, 1061, 2936, 30683, 155683, 1561933
(list; table; graph; listen)
|
|
|
OFFSET
|
1,3
|
|
|
COMMENT
|
Triangle of numbers P(n,k) begins:
.............................1/2
......................1/3...........7/9
...............1/4...........5/8............29/32
.........1/5.........13/25.........101/125..........601/625
...1/6.........4/9..........13/18...........49/54...............319/324
|
|
EXAMPLE
|
a(8) = 13 because 13 is numerator of 13/25 = P(3,5) = T(
a(15) = 319 because 319 is numerator of 319/324 = P(6,6)
|
|
CROSSREFS
|
Cf. A089206, A088141.
Sequence in context: A118307 A047875 A064467 this_sequence A107786 A154932 A026497
Adjacent sequences: A089201 A089202 A089203 this_sequence A089205 A089206 A089207
|
|
KEYWORD
|
frac,nonn,tabl
|
|
AUTHOR
|
Artemario Tadeu Medeiros da Silva (artemario(AT)uol.com.br), Dec 09 2003
|
|
|
Search completed in 0.002 seconds
|
