On a sequence of nonsolvable quintic polynomials prefix ID Johnstone, Jennifer A.; Spearman, Blair K. J. Integer Seq. 12(2), Article ID 09.2.8, 5 p., electronic only (2009)
A gcd-sum function over regular integers modulo $n$ prefix ID Tóth, László J. Integer Seq. 12(2), Article ID 09.2.5, 8 p., electronic only (2009)
On the subsequence of primes having prime subscripts prefix ID Broughan, Kevin A.; Barnett, A.Ross J. Integer Seq. 12(2), Article ID 09.2.3, 10 p., electronic only (2009)
Binary relations on the power set of an $n$-element set prefix ID La Haye, Ross J. Integer Seq. 12(2), Article ID 09.2.6, 15 p., electronic only (2009)
Functorial orbit counting prefix ID Pakapongpun, Apisit; Ward, Thomas B. J. Integer Seq. 12(2), Article ID 09.2.4, 20 p., electronic only (2009)
Growing Apollonian packings prefix ID Mallows, Colin J. Integer Seq. 12(2), Article ID 09.2.1, 8 p., electronic only (2009)
Generating matrices for weighted sums of second order linear recurrences prefix ID Kiliç, Emrah; Stănică, Pantelimon J. Integer Seq. 12(2), Article ID 09.2.7, 11 p., electronic only (2009)
Tiling a ($2 \times n$)-board with squares and dominoes prefix ID Katz, Matt; Stenson, Catherine J. Integer Seq. 12(2), Article ID 09.2.2, 12 p., electronic only (2009)