A052490 Numbers n with only one nonzero solution to "numbers that are n times sum of their digits".

2, 3, 5, 6, 8, 9, 11, 12, 14, 15, 17, 18, 20, 21, 23, 24, 29, 30, 32, 33, 35, 39, 41, 42, 44, 45, 50, 51, 53, 54, 56, 57, 59, 60, 66, 68, 69, 71, 72, 74, 77, 78, 80, 81, 83, 86, 87, 89, 90, 92, 93, 96, 98, 99, 101, 102, 104, 105, 108, 110, 111, 113, 114, 117, 119, 120, 122

Offset

1,1

Links

Table of n, a(n) for n=1..67.

Example

a(2)=3 since there is only one positive number which is three times the sum of its digits, namely 27=3*9

Crossrefs

Cf. A003634, A052489, A003635.

Sequence in context: A045506 A007494 A258575 * A332076 A248562 A117672

Adjacent sequences: A052487 A052488 A052489 * A052491 A052492 A052493

Keyword

base,nonn

Author

Henry Bottomley, Mar 16 2000

Status

approved