OFFSET
1,1
COMMENTS
Equivalently, lower member of consecutive terms of A054395.
LINKS
Muniru A Asiru, Table of n, a(n) for n = 1..1415
H. U. Besche, B. Eick and E. A. O'Brien. A Millennium Project: Constructing Small Groups, Internat. J. Algebra and Computation, 12 (2002), 623-644.
Gordon Royle, Numbers of Small Groups
EXAMPLE
MATHEMATICA
Select[Range[1200], FiniteGroupCount[#] == 2 && FiniteGroupCount[# + 1] == 2 &] (* Jean-François Alcover, Dec 08 2017 *)
SequencePosition[FiniteGroupCount[Range[1200]], {2, 2}][[;; , 1]] (* Harvey P. Dale, Aug 18 2023 *)
PROG
(GAP) A295230 := Filtered([1..2014], n -> [NumberSmallGroups(n), NumberSmallGroups(n+1)]=[2, 2]);
CROSSREFS
KEYWORD
nonn
AUTHOR
Muniru A Asiru, Nov 18 2017
STATUS
approved