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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

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 A263231 A077411

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 | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 2 17:11 EST 2016. Contains 278679 sequences.