A335177 a(n) = A335175(n) + A335176(n).

5, 81, 1221, 20217, 321681, 5160709, 82572997, 1321255761, 21139851257

Offset

2,1

References

Mishima, Miwako, Nobuko Miyamoto, and Masakazu Jimbo. "Partitions of the lines in PG(2n-1,s) into multifold spreads for s= 3, 4." Discrete Mathematics 343.7 (2020): #111867. See Table 3.1.

Links

Table of n, a(n) for n=2..10.

Crossrefs

Cf. A335175, A335176, A335178.

Sequence in context: A275347 A110257 A370197 * A135918 A115032 A278883

Adjacent sequences: A335174 A335175 A335176 * A335178 A335179 A335180

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 17 2020

Status

approved