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A259035 revision #4

A259035

Partial sums of A073602.

2, 9, 20, 49, 66, 169, 306, 437, 460, 609, 682, 999, 1066, 1247, 1410, 1537, 1770, 2257, 2814, 2911, 3504, 3871, 3984, 4183, 5432, 7575, 7622, 8239, 8502, 9379, 9398, 10611, 10960, 11537, 11920, 12231, 12874, 12877, 14028, 14359, 15036, 17557, 17954, 19107, 20488

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OFFSET

1,1

COMMENTS

By definition of A073602, a(n) is divisible by prime(n).

LINKS

Table of n, a(n) for n=1..45.

FORMULA

a(n) = A258052(n)*prime(n).

PROG

(PARI) vsearch(n, v)=local(j, s); j=1; s=matsize(v)[2]; while(j<=s&&n!=v[j], j++); j<=s;

{m=54; v=[]; n=1; while(n<=m, p=2; while(vsearch(p, v)||((sum(j=1, matsize(v)[2], v[j])+p)%prime(n))>0, p=nextprime(p+1)); v=concat(v, p); n++); for (i=1, #v, print1(sum(k=1, i, v[k]), ", ")); } \\ adapted from A073602

CROSSREFS

Cf. A073602, A258052.

Sequence in context: A294540 A248435 A272211 * A093835 A264294 A280295

Adjacent sequences: A259032 A259033 A259034 * A259036 A259037 A259038

KEYWORD

nonn

AUTHOR

Michel Marcus, Jun 17 2015

STATUS

approved