A002877 Number of connected weighted linear spaces of total weight n. (Formerly M0802 N0304)

1, 1, 2, 3, 6, 13, 35, 116

Offset

1,3

References

Robillard, Pierre; On the weighted finite linear spaces. Bull. Soc. Math. Belg. 22 (1970), 227-241.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

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=1..8.

Robillard, Pierre, On the weighted finite linear spaces, Bull. Soc. Math. Belg. 22 (1970), 227-241. [Annotated and scanned copy]

Crossrefs

Cf. A001200, A002876.

Sequence in context: A227366 A171878 A117403 * A065845 A137273 A135967

Adjacent sequences: A002874 A002875 A002876 * A002878 A002879 A002880

Keyword

nonn,hard,nice,more

Author

N. J. A. Sloane

Status

approved