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A038321 Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*7^j. 0
1, 11, 7, 121, 154, 49, 1331, 2541, 1617, 343, 14641, 37268, 35574, 15092, 2401, 161051, 512435, 652190, 415030, 132055, 16807, 1771561, 6764142, 10761135, 9130660, 4357815, 1109262, 117649, 19487171, 86806489, 165721479, 175765205 (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]11^(i-j) 7^j, {i, 0, 10}, {j, 0, i}]] (* Harvey P. Dale, Apr 19 2015 *)
CROSSREFS
Sequence in context: A305447 A060954 A350214 * A355299 A298438 A262866
KEYWORD
nonn,tabl,easy
AUTHOR
STATUS
approved

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Last modified March 19 01:57 EDT 2024. Contains 370952 sequences. (Running on oeis4.)