A007375 Number of translation planes of order q, q = prime power. (Formerly M0083)

1, 1, 1, 1, 1, 1, 2, 1, 1, 8, 1, 1, 1, 21, 7, 1, 1

Offset

1,7

References

R. Mathon and Gordon Royle, "Classification of the translation planes of order 49", Designs, Codes and Cryptography, 5 (1995), no. 1, 57-72.

T. G. Ostrom, Finite Translation Planes, Lect. Notes Math. 158, 1970.

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..17.

Crossrefs

Sequence in context: A176055 A354986 A072286 * A294808 A294605 A060865

Adjacent sequences: A007372 A007373 A007374 * A007376 A007377 A007378

Keyword

nonn,hard,nice

Author

N. J. A. Sloane

Status

approved