VOOZH about

URL: https://oeis.org/A358037

⇱ A358037 - OEIS

login
A358037
a(n) is the number of possible standard CMOS cells with a maximum of n stages.
0
1, 6, 80, 3434
OFFSET
1,2
COMMENTS
My colleague, Hagen Sankowski, has independently verified the first few numbers and then stumbled across the paper from 1981.
LINKS
Sankowski, GitHub repository of the StdCellLib software which we are generating standard cells, which we used to re-discover the sequence with.
Uehara & Vancleemput, Optimal Layout of CMOS Functional Arrays, IEEE Transactions on Computers, 1981, C-30(5), 305-312.
EXAMPLE
For n = 2 there are 6 possible different standard cells with a maximum of 2 stages.
CROSSREFS
Sequence in context: A323694 A077393 A264694 * A002676 A374923 A052348
KEYWORD
nonn,more
AUTHOR
Philipp Gühring, Oct 26 2022
STATUS
approved