|
Search: id:A140164
|
|
|
| A140164 |
|
Binomial transform of [1, 1, 1, 1, -1, -1, 5, -11, 19, -29, 41,...]. |
|
+0
1
|
|
| 1, 2, 4, 8, 14, 20, 26, 32, 38, 44, 50, 56, 62, 68, 74, 80, 86, 92, 98, 104, 110, 116, 122, 128, 134, 140, 146, 152, 158, 164, 170, 176, 182, 188, 194
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Sum of antidiagonal terms of the following arithmetic array:
1, 1, 1, 1, 1,...
1, 2, 3, 4, 5,...
1, 3, 5, 7, 9,...
1, 4, 7, 10, 13,...
...
|
|
FORMULA
|
Binomial transform of [1, 1, 1, 1, -1, -1, 5, -11, 19, -29, 41, -55,...]; where A028387 = (1, 5, 11, 19, 29, 41,...), such that A028387(n) = (2*T(n) - 1).
|
|
EXAMPLE
|
a(4) = 8 = (1, 3, 3, 1) dot (1, 1, 1, 1) = (1 + 3 + 3 + 1).
a(5) = 14 = (4 + 5 + 4 + 1).
|
|
CROSSREFS
|
Cf. A028387.
Sequence in context: A124853 A084621 A002132 this_sequence A160730 A132425 A154264
Adjacent sequences: A140161 A140162 A140163 this_sequence A140165 A140166 A140167
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), May 10 2008
|
|
|
Search completed in 0.002 seconds
|
