A087486 - OEIS

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A087486

Numbers n such that digital sum of n divides digital sum of n-th prime, p(n).

1, 10, 11, 20, 22, 32, 52, 56, 88, 100, 101, 104, 125, 160, 175, 176, 182, 200, 212, 218, 223, 227, 248, 262, 263, 293, 295, 323, 331, 338, 341, 362, 377, 386, 394, 397, 398, 409, 410, 439, 442, 446, 457, 481, 499, 508, 521, 526, 533, 563, 571, 595, 599, 611

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

52 is in the sequence because prime(52)=239 and 5+2=7 divides 2+3+9=14.

PROG

(PARI) sod(n) = {digs = digits(n, 10); return (sum(j=1, #digs, digs[j])); }

isok(n) = (sod(prime(n)) % sod(n) == 0) \\ Michel Marcus, Jul 27 2013

CROSSREFS

Cf. A007605, A007953.