A385491 Period 8: repeat [1, 8, 4, 3, 6, 5, 7, 2].

1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2, 1, 8, 4, 3, 6, 5, 7, 2

Offset: 0

Author

Christopher W Moriarty, Jun 30 2025

Keywords

• nonn
• easy

Comments

The Chevrolet V8 engine cylinder firing order used in nearly all GMC small block (265-400 cubic inch) and big block (396-454 cubic inch) engines dating back to the 1950's.

References

• John Baechtel, Chevy Small-Block V-8 Interchange Manual: 2nd Edition. CarTech Inc., 2010. ISBN: 1934709405.
• Bill Jenkins, The Chevrolet Racing Engine. HP Books, 1976.

Links

• RoadSumo, Chevy 350 Firing Order [V8 Big Block, Small Block, 5.3, 5.7].
• Index entries for linear recurrences with constant coefficients, signature (1,-1,1,-1,1,-1,1).

Crossrefs

Cf. A003833, A069892, A385634.

Programs

Mathematica

PadRight[{}, 100, {1, 8, 4, 3, 6, 5, 7, 2}] (* Paolo Xausa, Jul 12 2025 *)

Formula

G.f.: -(2*x^6+5*x^5+6*x^3-3*x^2+7*x+1)/((x-1)*(x^2+1)*(x^4+1)). - Alois P. Heinz, Jun 30 2025