OFFSET
0,3
COMMENTS
Essentially the first differences of A220500.
LINKS
EXAMPLE
Written as an irregular triangle the sequence begins:
0;
1;
4;
8;
16,22;
24,24,36,40;
32,44,64,94,72,56,76,72;
32,48,80,112,140...
.
From Omar E. Pol, May 02 2018: (Start)
Also the nonzero terms can be written as an irregular triangle in which the row lengths are the terms of A011782 multiplied by 2 as shown below:
1, 4;
8, 16;
22, 24, 24, 36;
40, 32, 44, 64, 94, 72, 56, 76;
72, 32, 48, 80, 112, 140, 140, 140, 168, 120, 132, 168, 238, 168, 120, 156;
136, 32, 48, 80, 112, 140, 144, 164, 224, 216, 256, 272, 368, 324, 316, 280, ...
(End)
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Dec 15 2012
EXTENSIONS
Terms a(23) and beyond from David Applegate's movie version. - Omar E. Pol, May 02 2018
STATUS
approved