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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; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| 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,...).
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FORMULA
| 2*A065941 - A049310 as infinite lower triangular matrices.
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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;
...
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CROSSREFS
| Cf. A065941, A049310, A000032, A131775, A131776, A131777, A131778.
Sequence in context: A057856 A117939 A105522 * A078316 A055443 A003842
Adjacent sequences: A131771 A131772 A131773 * A131775 A131776 A131777
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KEYWORD
| tabl,sign
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 14 2007
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