login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038248 Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*6^j. 0
1, 5, 6, 25, 60, 36, 125, 450, 540, 216, 625, 3000, 5400, 4320, 1296, 3125, 18750, 45000, 54000, 32400, 7776, 15625, 112500, 337500, 540000, 486000, 233280, 46656, 78125, 656250, 2362500, 4725000, 5670000, 4082400, 1632960, 279936 (list; table; graph; refs; listen; history; 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.

CROSSREFS

Sequence in context: A116553 A034497 A136888 * A046831 A003226 A137081

Adjacent sequences:  A038245 A038246 A038247 * A038249 A038250 A038251

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 18 00:14 EST 2012. Contains 206085 sequences.