A250301 First differences of A250300.
0, 3, 3, 6, 12, 12, 6, 12, 18, 18, 18, 18, 36, 36, 12, 24, 30, 18, 18, 24, 42, 54, 42, 36, 60, 66, 54, 48, 90, 90, 30, 54, 54, 18, 18, 24, 42, 54, 42, 42, 66, 78, 78, 78, 114, 150, 102, 72, 108
Offset: 0
Examples
Positive terms can be written as a triangle in which row lengths is A011782 as shown below: 3; 3; 6, 12; 12, 6, 12, 18; 18, 18, 18, 36, 36, 12, 24, 30; 18, 18, 24, 42, 54, 42, 36, 60, 66, 54, 48, 90, 90, 30, 54, 54; 18, 18, 24, 42, 54, 42, 42, 66, 78, 78, 78, 114, 150, 102, 72, 108, ...
Comments