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

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038277 Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*11^j. 1
1, 7, 11, 49, 154, 121, 343, 1617, 2541, 1331, 2401, 15092, 35574, 37268, 14641, 16807, 132055, 415030, 652190, 512435, 161051, 117649, 1109262, 4357815, 9130660, 10761135, 6764142, 1771561, 823543, 9058973, 42706587, 111850585 (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

Vincenzo Librandi, Rows n = 0..100, flattened

Gábor Kallós, A generalization of Pascal’s triangle using powers of base numbers, Annales mathématiques Blaise Pascal, 13 no. 1 (2006), p. 1-15.

EXAMPLE

Triangle begins:

1,

7, 11,

49, 154, 121,

343, 1617, 2541, 1331,

2401, 15092, 35574, 37268, 14641,

16807, 132055, 415030, 652190, 512435, 161051,

... - Vincenzo Librandi, Apr 22 2014

MATHEMATICA

Flatten[Table[Binomial[i, j] 7^(i-j) 11^j, {i, 0, 10}, {j, 0, i}]] (* Vincenzo Librandi, Apr 22 2014 *)

CROSSREFS

Sequence in context: A057290 A003599 A018508 * A045462 A077411 A085016

Adjacent sequences:  A038274 A038275 A038276 * A038278 A038279 A038280

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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

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

Last modified September 2 23:10 EDT 2014. Contains 246369 sequences.