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A118695 Semiprimes which are divisible by their digital root. 0
4, 6, 9, 10, 21, 38, 39, 46, 55, 57, 74, 82, 91, 93, 95, 111, 118, 129, 133, 145, 146, 183, 185, 201, 217, 218, 219, 226, 235, 237, 253, 254, 259, 262, 291, 309, 326, 327, 334, 343, 361, 362, 365, 381, 398, 415, 417, 451, 453, 471, 489, 505, 511, 514, 542, 543 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

95 is in the sequence because (1) it is a semiprime, (2) the digital root is 5 and (3) 95 is divisible by 5.

CROSSREFS

Cf. A001358.

Sequence in context: A071964 A135257 A118697 * A235108 A215478 A118693

Adjacent sequences:  A118692 A118693 A118694 * A118696 A118697 A118698

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), May 20 2006

STATUS

approved

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Last modified May 30 14:30 EDT 2020. Contains 334724 sequences. (Running on oeis4.)