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A220525
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Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220524.
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4
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0, 1, 2, 4, 4, 4, 8, 11, 8, 4, 8, 16, 24, 16, 20, 25, 16, 4, 8, 16, 24, 32, 36, 42, 44, 20, 24, 44, 64, 40, 44, 53, 32, 4, 8, 16, 24, 32, 36, 44, 52, 42, 48, 64, 100, 80, 84, 91, 84, 28, 24, 48, 72, 92, 104, 124, 132, 54, 56, 100, 144, 88, 92, 109, 64, 4
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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Essentially the first differences of A220524.
First differs from A194445 at a(13).
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LINKS
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FORMULA
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EXAMPLE
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When written as an irregular triangle begins:
0;
1;
2;
4,4;
4,8,11,8;
4,8,16,24,16,20,25,16;
4,8,16,24,32,36,42,44,20,24,44,64,40,44,53,32;
4,8,16,24,32,36,44,52,42,48,64,100,80,84,91,84,28,24,48,72,92,104,124,132,54,56,100,144,88,92,109,64;
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CROSSREFS
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Row lengths give 1 together with A011782. Right border gives 0 together with A000079.
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KEYWORD
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nonn,tabf
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AUTHOR
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STATUS
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approved
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