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A038236 Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*6^j. 0
1, 4, 6, 16, 48, 36, 64, 288, 432, 216, 256, 1536, 3456, 3456, 1296, 1024, 7680, 23040, 34560, 25920, 7776, 4096, 36864, 138240, 276480, 311040, 186624, 46656, 16384, 172032, 774144, 1935360, 2903040, 2612736, 1306368, 279936 (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]4^(i-j) 6^j, {i, 0, 10}, {j, 0, i}]] (* Harvey P. Dale, Sep 11 2013 *)
CROSSREFS
Sequence in context: A056421 A032295 A072279 * A223269 A264471 A264477
KEYWORD
nonn,tabl,easy
AUTHOR
STATUS
approved

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Last modified February 27 16:21 EST 2024. Contains 370378 sequences. (Running on oeis4.)