A229739 - OEIS

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A229739

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

2

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

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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