A152803 G.f.: limit of the ratio of the g.f.s of adjacent rows in triangle A152800.

1, 1, 2, 2, 2, 3, 4, 3, 3, 6, 6, 2, 5, 13, 5, -8, 17, 38, -28, -46, 119, 88, -290, -42, 763, -208, -1738, 1363, 3727, -5084, -6907, 16043, 9959, -45166, -4025, 116799, -44571, -277503, 244975, 597094, -912129, -1108463, 2880463, 1505334, -8180133, -30884

Offset

1,3

Links

Table of n, a(n) for n=1..46.

Example

G.f.: q + q^2 + 2*q^3 + 2*q^4 + 2*q^5 + 3*q^6 + 4*q^7 + 3*q^8 + 3*q^9 + 6*q^10 +...

Crossrefs

Cf. A152800.

Sequence in context: A057747 A281965 A228074 * A347102 A187181 A211187

Adjacent sequences: A152800 A152801 A152802 * A152804 A152805 A152806

Keyword

sign

Author

Paul D. Hanna, Dec 26 2008

Status

approved