A199927 Trisection 0 of A199802.

1, 1, -7, 3, 32, -55, -95, 399, -11, -2024, 2573, 7137, -22015, -9073, 123712, -107499, -498119, 1168399, 1090985, -7323600, 3535193, 33005393, -59095943, -95072229, 420022144, -36762335, -2099324671, 2798230719, 7241608157, -23295324088, -8015161307, 128935159185, -119396284895, -509999348249

Offset: 0

Author

N. J. A. Sloane, Nov 12 2011

Keywords

• sign
• easy

Comments

Also trisection 2 of A199744, negated.

Links

• Hirschhorn, Michael D., Non-trivial intertwined second-order recurrence relations, Fibonacci Quart. 43 (2005), no. 4, 316-325. See p. 324.
• Index entries for linear recurrences with constant coefficients, signature (-1,-5,1,-1).

Crossrefs

Cf. A199744, A199802.

Formula

G.f.: ( 1+2*x-x^2 ) / ( 1+x+5*x^2-x^3+x^4 ). - R. J. Mathar, Jun 18 2014