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A131775 3*A065941 - 2*A049310. 5
1, 3, 1, 1, 3, 1, 3, -1, 6, 1, 1, 3, 3, 6, 1, 3, -3, 12, 1, 9, 1, 1, 3, 3, 12, 8, 9, 1, 3, -5, 18, -5, 30, 6, 12, 1, 1, 3, 1, 18, 15, 30, 16, 12, 1, 3, -7, 24, -19, 63, 3, 60, 14, 15, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums = A000285, (a Fibonacci-like sequence) starting (1, 4, 5, 9, 14, 23,...).

LINKS

Table of n, a(n) for n=1..55.

FORMULA

3*A065941 - 2*A049310

EXAMPLE

1;

3, 1;

1, 3, 1;

3, -1, 6, 1;

1, 3, 3, 6, 1;

3, -3, 12, 1, 9, 1;

1, 3, 3, 12, 8, 9, 1;

3, -5, 18, -5, 30, 6, 12, 1;

1, 3, 1, 18, 15, 30, 16, 12, 1;

...

CROSSREFS

Cf. A065941, A049310, A131774, A131776, A131777, A131778.

Sequence in context: A133705 A046111 A131779 * A218825 A035691 A131781

Adjacent sequences:  A131772 A131773 A131774 * A131776 A131777 A131778

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson, Jul 14 2007

STATUS

approved

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Last modified February 21 06:38 EST 2018. Contains 299390 sequences. (Running on oeis4.)