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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038325 Triangle read by rows whose (i,j)-th entry is binomial(i,j)*11^(i-j)*11^j. 0
1, 11, 11, 121, 242, 121, 1331, 3993, 3993, 1331, 14641, 58564, 87846, 58564, 14641, 161051, 805255, 1610510, 1610510, 805255, 161051, 1771561, 10629366, 26573415, 35431220, 26573415, 10629366, 1771561, 19487171, 136410197 (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: A131664 A110381 A165832 * A062129 A092805 A004285

Adjacent sequences:  A038322 A038323 A038324 * A038326 A038327 A038328

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 17 00:09 EST 2012. Contains 205978 sequences.