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A067343 Sum of decimal digits of n equals sum of decimal digits of sum of divisors of n. 2
1, 15, 24, 64, 69, 78, 90, 114, 133, 147, 153, 186, 198, 258, 270, 276, 288, 306, 339, 360, 366, 393, 429, 474, 492, 495, 507, 522, 582, 588, 609, 618, 627, 639, 708, 717, 738, 762, 763, 801, 817, 834, 846, 871, 906, 933, 960, 978, 990, 1062, 1080, 1083 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..52.

FORMULA

A067342(n) = A007953(A000203(n)) = A007953(n).

PROG

(PARI) sd(n) = digs = digits(n); sum(i=1, #digs, digs[i]);

isok(n) = sd(n) == sd(sigma(n)); \\ Michel Marcus, Dec 26 2013

CROSSREFS

Cf. A067342, A007953, A000203.

Sequence in context: A295160 A240597 A162964 * A247315 A154150 A324484

Adjacent sequences:  A067340 A067341 A067342 * A067344 A067345 A067346

KEYWORD

base,nonn

AUTHOR

Labos Elemer, Jan 16 2002

STATUS

approved

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Last modified January 17 09:32 EST 2020. Contains 330949 sequences. (Running on oeis4.)