A229739 a(n) = q^2*(q^2+2*q-1)/2, where q = n-th prime power A000961(n).

1, 14, 63, 184, 425, 1519, 2528, 3969, 8591, 16393, 36736, 46529, 71839, 151823, 210625, 285039, 377609, 491071, 556544, 987049, 1480961, 1787983, 2542559, 2998849, 4092713, 6262319, 7148041, 8648704, 10374079, 13061231, 14585473, 19964959, 22051521, 24297503, 32072129, 45172609, 53055401, 57362863, 66759119

Offset

1,2

Links

Table of n, a(n) for n=1..39.

L. Kaylor, D. Offner, Counting matrices over a finite field with all eigenvalues in the field, Involve, a Journal of Mathematics, Vol. 7 (2014), No. 5, 627-645. [DOI]

Crossrefs

Cf. A000961, A229738.

Sequence in context: A044533 A050492 A255499 * A339136 A221909 A229738

Adjacent sequences: A229736 A229737 A229738 * A229740 A229741 A229742

Keyword

nonn

Author

N. J. A. Sloane, Oct 05 2013

Status

approved