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A202387 Squarefree Smith numbers, cf. A006753. 4
22, 58, 85, 94, 166, 202, 265, 274, 319, 346, 355, 382, 391, 438, 454, 483, 517, 526, 535, 562, 627, 634, 645, 654, 663, 690, 706, 762, 778, 861, 895, 913, 915, 922, 958, 985, 1086, 1111, 1165, 1219, 1255, 1282, 1507, 1581, 1626, 1633, 1642, 1678, 1795, 1822 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Intersection of A006753 and A005117;

also squarefree hoax numbers: intersection of A019506 and A005117;

squarefree composite numbers m such that sum of digits of m = sum of digits of all prime factors of m.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Smith Number

Eric Weisstein's World of Mathematics, Hoax Number

Wikipedia, Smith number

PROG

(Haskell)

a202387 n = a202387_list !! (n-1)

a202387_list = [x | x <- a120944_list,

                    a007953 x == sum (map a007953 (a027746_row x))]

CROSSREFS

Cf. A007953, A027746, A120944.

Sequence in context: A058097 A131878 A019506 * A044124 A044505 A156797

Adjacent sequences:  A202384 A202385 A202386 * A202388 A202389 A202390

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Dec 19 2011

STATUS

approved

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Last modified March 28 17:51 EDT 2020. Contains 333103 sequences. (Running on oeis4.)