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 A117083 Octagonal numbers for which the product of the digits is also a octagonal number. 0
 0, 1, 8, 40, 280, 408, 560, 1045, 1160, 1408, 1680, 2640, 3008, 3201, 3400, 3605, 4033, 4720, 5208, 5720, 7105, 7400, 7701, 8008, 8640, 10325, 10680, 11041, 11408, 12160, 14560, 15408, 16280, 18096, 19040, 20008, 20501, 21000, 21505, 22016, 23056 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS EXAMPLE 27456 is in the sequence because (1) it is a octagonal number and (2) the product of its digits 2*7*4*5*6= 1680 is also a octagonal number. CROSSREFS Cf. A000567. Sequence in context: A264332 A188332 A158922 * A007987 A096969 A209829 Adjacent sequences:  A117080 A117081 A117082 * A117084 A117085 A117086 KEYWORD base,nonn AUTHOR Luc Stevens (lms022(AT)yahoo.com), Apr 17 2006 STATUS approved

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Last modified April 11 22:01 EDT 2021. Contains 342888 sequences. (Running on oeis4.)