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A038238
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Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*8^j.
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0
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1, 4, 8, 16, 64, 64, 64, 384, 768, 512, 256, 2048, 6144, 8192, 4096, 1024, 10240, 40960, 81920, 81920, 32768, 4096, 49152, 245760, 655360, 983040, 786432, 262144, 16384, 229376, 1376256, 4587520, 9175040, 11010048, 7340032, 2097152
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history;
text;
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OFFSET
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0,2
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REFERENCES
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B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.
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LINKS
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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