A007076 - OEIS

A007076

Number of irreducible positions of size n in Montreal solitaire.
(Formerly M3477)

1, 4, 14, 42, 123, 351, 988, 2761, 7682, 21313, 59029, 163314, 451529, 1247842, 3447574, 9523375, 26303825, 72646588, 200627795, 554056162, 1530058222, 4225290890, 11668141901, 32221405479, 88978639438, 245711832196, 678524838258

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OFFSET

6,2

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=6..32.

C. Cannings, J. Haigh, Montreal solitaire, J. Combin. Theory Ser. A 60 (1992), no. 1, 50-66.

FORMULA

a(n) = d(n, 3) where d(n, k) is defined in A007046. - Sean A. Irvine, Oct 06 2017

CROSSREFS

Cf. A007046, A007048, A007049, A007050, A007075.

Sequence in context: A124618 A189052 A189426 * A135483 A095377 A296253

Adjacent sequences: A007073 A007074 A007075 * A007077 A007078 A007079

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mira Bernstein

EXTENSIONS

More terms from Sean A. Irvine, Oct 06 2017

STATUS

approved