login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038304 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*2^j. 0
1, 10, 2, 100, 40, 4, 1000, 600, 120, 8, 10000, 8000, 2400, 320, 16, 100000, 100000, 40000, 8000, 800, 32, 1000000, 1200000, 600000, 160000, 24000, 1920, 64, 10000000, 14000000, 8400000, 2800000, 560000, 67200, 4480, 128, 100000000 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
0,2
REFERENCES
B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.
LINKS
CROSSREFS
Sequence in context: A054841 A185076 A178643 * A290308 A354941 A352689
KEYWORD
nonn,tabl,easy
AUTHOR
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)