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 A009714 a(n) = Product_{i=0..8} floor((n+i)/9). 1
 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 768, 1152, 1728, 2592, 3888, 5832, 8748, 13122, 19683, 26244, 34992, 46656, 62208, 82944, 110592, 147456, 196608, 262144, 327680, 409600, 512000, 640000, 800000, 1000000, 1250000, 1562500 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,11 LINKS Index entries for linear recurrences with constant coefficients, signature (2, -1, 0, 0, 0, 0, 0, 0, 8, -16, 8, 0, 0, 0, 0, 0, 0, -28, 56, -28, 0, 0, 0, 0, 0, 0, 56, -112, 56, 0, 0, 0, 0, 0, 0, -70, 140, -70, 0, 0, 0, 0, 0, 0, 56, -112, 56, 0, 0, 0, 0, 0, 0, -28, 56, -28, 0, 0, 0, 0, 0, 0, 8, -16, 8, 0, 0, 0, 0, 0, 0, -1, 2, -1). PROG (PARI) for(n=0, 74, print1(", "prod(k=0, 8, floor((n+k)/9)))) \\ Georg Fischer, Nov 07 2019 CROSSREFS Sequence in context: A281938 A242350 A115213 * A051535 A008862 A145116 Adjacent sequences:  A009711 A009712 A009713 * A009715 A009716 A009717 KEYWORD nonn AUTHOR STATUS approved

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Last modified June 19 12:54 EDT 2021. Contains 345129 sequences. (Running on oeis4.)