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A117063 Hexagonal numbers for which the product of the digits is also a hexagonal number. 0
0, 1, 6, 120, 153, 190, 231, 630, 703, 780, 1035, 1540, 1770, 2016, 2701, 2850, 3003, 3160, 4005, 4560, 4950, 6670, 6903, 7140, 9180, 9730, 10011, 10296, 10585, 10878, 12090, 12403, 12720, 13041, 14028, 14706, 15051, 15400, 16110, 17205, 19110 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..40.

EXAMPLE

24531 is in the sequence because (1) it is a hexagonal number and (2)the product of its digits 2*4*5*3*1=120 is also a hexagonal number.

CROSSREFS

Cf. A000384.

Sequence in context: A081537 A246827 A127726 * A178911 A227027 A001219

Adjacent sequences:  A117060 A117061 A117062 * A117064 A117065 A117066

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 16 2006

STATUS

approved

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Last modified January 22 18:53 EST 2019. Contains 319365 sequences. (Running on oeis4.)