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A068326
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a(n) = Product_{k=1..n} A031974(k).
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0
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1, 11, 1221, 13566531, 15073921825941, 167488020286558453130451, 186097800318379671476024826838541061, 2067753336870885217944964707274937180441685906828771, 2297503707634316908597988192875387398496877151223641424395368232574581
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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PROG
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(PARI) a(n) = prod(k=1, n, (10^prime(k) - 1)/9); \\ Michel Marcus, Jan 04 2021
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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