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A038296 Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*6^j. 0
1, 9, 6, 81, 108, 36, 729, 1458, 972, 216, 6561, 17496, 17496, 7776, 1296, 59049, 196830, 262440, 174960, 58320, 7776, 531441, 2125764, 3542940, 3149280, 1574640, 419904, 46656, 4782969, 22320522, 44641044, 49601160, 33067440 (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

Table of n, a(n) for n=0..32.

CROSSREFS

Sequence in context: A156033 A196005 A196002 * A058276 A184964 A185364

Adjacent sequences:  A038293 A038294 A038295 * A038297 A038298 A038299

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 20 11:28 EDT 2019. Contains 325180 sequences. (Running on oeis4.)