A205128 Ordered differences of distinct hexagonal numbers.
5, 14, 9, 27, 22, 13, 44, 39, 30, 17, 65, 60, 51, 38, 21, 90, 85, 76, 63, 46, 25, 119, 114, 105, 92, 75, 54, 29, 152, 147, 138, 125, 108, 87, 62, 33, 189, 184, 175, 162, 145, 124, 99, 70, 37, 230, 225, 216, 203, 186, 165, 140, 111, 78, 41, 275, 270, 261
Offset: 1
Keywords
Examples
a(1)=s(2)-s(1)=6-1=5 a(2)=s(3)-s(1)=15-1=14 a(3)=s(3)-s(2)=15-6=9 a(4)=s(4)-s(1)=28-1=27 a(5)=s(4)-s(2)=28-6=22
Programs
-
Mathematica
(See the program at A205130.)
Comments