A220527 Number of toothpicks or D-toothpicks added at n-th stage in the toothpick structure of A220526.

0, 1, 2, 4, 4, 4, 4, 7, 8, 4, 4, 8, 12, 14, 12, 15, 16, 4, 4, 8, 12, 16, 10, 24, 26

Offset: 0

Author

Omar E. Pol, Jan 02 2013

Keywords

• nonn
• tabf
• more

Comments

Essentially the first differences of A220526.

Examples

			Written as an irregular triangle begins:
0;
1;
2;
4,4;
4,4,7,8;
4,4,8,12,14,12,15,16;
4,4,8,12,16,10,24,26,...
		

Links

• N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
• Index entries for sequences related to toothpick sequences

Crossrefs

Cf. A139250, A139251, A194271, A194441, A194443, A220501, A220521, A220523, A220526.