This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A038250 Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*8^j. 0
 1, 5, 8, 25, 80, 64, 125, 600, 960, 512, 625, 4000, 9600, 10240, 4096, 3125, 25000, 80000, 128000, 102400, 32768, 15625, 150000, 600000, 1280000, 1536000, 983040, 262144, 78125, 875000, 4200000, 11200000, 17920000, 17203200 (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 MATHEMATICA Flatten[Table[Binomial[i, j]5^(i-j) 8^j, {i, 0, 10}, {j, 0, i}]] (* Harvey P. Dale, Jan 05 2012 *) CROSSREFS Sequence in context: A234334 A025623 A069959 * A067973 A101584 A112577 Adjacent sequences:  A038247 A038248 A038249 * A038251 A038252 A038253 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 | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 22 02:02 EDT 2018. Contains 313959 sequences. (Running on oeis4.)