|
|
A221565
|
|
Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220512.
|
|
2
|
|
|
0, 4, 8, 16, 16, 16, 28, 48, 32, 16, 32, 64, 64, 80, 84, 112, 64, 16, 32, 64, 96, 112, 144, 176, 136, 112, 96, 176, 176, 208, 196, 240, 128, 16, 32, 64, 96, 112, 152
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
COMMENTS
|
First differs from A194433 at a(14).
|
|
LINKS
|
|
|
EXAMPLE
|
When written as a irregular triangle begins:
0;
4;
8;
16,16;
16,28,48,32;
16,32,64,64,80,84,112,64;
16,32,64,96,112,144,176,136,112,96,176,176,208,196,240,128;
16,32,64,96,112,152...
|
|
CROSSREFS
|
Row lengths give 1 together with A011782. Right border gives 0 together with four times A000079.
Cf. A139251, A194271, A194701, A194443, A220501, A220512, A220521, A220523, A220525, A220527, A221528.
|
|
KEYWORD
|
nonn,tabf,more
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|