|
Search: id:A131774
|
|
| |
|
| 1, 2, 1, 1, 2, 1, 2, 0, 4, 1, 1, 2, 3, 4, 1, 2, -1, 8, 2, 6, 1, 1, 2, 4, 8, 7, 6, 1, 2, -2, 12, 0, 20, 6, 8, 1, 1, 2, 4, 12, 15, 20, 13, 8, 1, 2, -3, 16, -6, 42, 9, 40, 12, 10, 1
(list; table; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Row sums = the Lucas numbers, A000032, starting (1, 3, 4, 7, 11,...). Generally, N*A065941 - (N-1)*A049310 = triangles with row sums = Fibonacci-like sequences starting (1, (N+1), (N+1+1),...). With N = 2, row sums of the triangle A131774 = (1, 3, 4, 7,...).
|
|
FORMULA
|
2*A065941 - A049310 as infinite lower triangular matrices.
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
2, 1;
1, 2, 1;
2, 0, 4, 1;
1, 2, 3, 4, 1;
2, -1, 8, 2, 6, 1;
1, 2, 4, 8, 7, 6, 1;
...
|
|
CROSSREFS
|
Cf. A065941, A049310, A000032, A131775, A131776, A131777, A131778.
Sequence in context: A057856 A117939 A105522 this_sequence A078316 A055443 A003842
Adjacent sequences: A131771 A131772 A131773 this_sequence A131775 A131776 A131777
|
|
KEYWORD
|
tabl,sign
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 14 2007
|
|
|
Search completed in 0.002 seconds
|
