The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A259035 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A259035

Partial sums of A073602.
(history; published version)

#4 by Alois P. Heinz at Wed Jun 17 09:14:31 EDT 2015

STATUS

proposed

approved

#3 by Michel Marcus at Wed Jun 17 08:47:28 EDT 2015

STATUS

editing

proposed

#2 by Michel Marcus at Wed Jun 17 04:59:12 EDT 2015

NAME

allocated for Michel MarcusPartial sums of A073602.

DATA

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

OFFSET

1,1

COMMENTS

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

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.

KEYWORD

allocated

nonn

AUTHOR

Michel Marcus, Jun 17 2015

STATUS

approved

editing

Discussion

Wed Jun 17

08:47

Michel Marcus: Or cumulative sums ?

#1 by Michel Marcus at Wed Jun 17 04:59:12 EDT 2015

NAME

allocated for Michel Marcus

KEYWORD

allocated

STATUS

approved