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A177457 Triangle read by rows; union of A007318 and A112467 0
0, 1, 1, -1, 1, 1, 0, 1, -1, 1, 1, 1, 2, -1, 1, -1, 1, 1, 2, 3, 0, 3, -2, 1, -1, 1, 1, 3, 4, 2, 6, -2, 4, -3, 1, -1, 1, 1, 4, 5, 5, 10, 0, 10, -5, 5, -4, 1, -1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,13

LINKS

Table of n, a(n) for n=1..49.

EXAMPLE

Example: For n=7; a(7)= a(2) + a(4)

...............0

............1..1.-1

.........1..1..0..1.-1

......1..1..1..2,-1..1.-1

...1..1..2..3..0..3.-2..1.-1

1..1..3..4..2..6.-2..4.-3..1.-1

CROSSREFS

Cf. A007318, A112467

Sequence in context: A283530 A326753 A062093 * A046214 A232088 A115413

Adjacent sequences:  A177454 A177455 A177456 * A177458 A177459 A177460

KEYWORD

tabf,sign

AUTHOR

Mark Dols, May 09 2010

STATUS

approved

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Last modified September 18 12:35 EDT 2021. Contains 347527 sequences. (Running on oeis4.)