# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a229739 Showing 1-1 of 1 %I A229739 #8 Aug 22 2020 17:32:39 %S A229739 1,14,63,184,425,1519,2528,3969,8591,16393,36736,46529,71839,151823, %T A229739 210625,285039,377609,491071,556544,987049,1480961,1787983,2542559, %U A229739 2998849,4092713,6262319,7148041,8648704,10374079,13061231,14585473,19964959,22051521,24297503,32072129,45172609,53055401,57362863,66759119 %N A229739 a(n) = q^2*(q^2+2*q-1)/2, where q = n-th prime power A000961(n). %H A229739 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] %Y A229739 Cf. A000961, A229738. %K A229739 nonn %O A229739 1,2 %A A229739 _N. J. A. Sloane_, Oct 05 2013 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE