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A342931 a(n) = A000217(A342930(n))/n^n. 1
1, 7, 13, 511, 1562, 3013, 411771, 33554431, 193710244, 159687996, 142655835305, 2545864168851, 151437553296126, 4672524492952950, 190419981278726, 36893488147419103231, 413620130943168382088, 6624115793937660813847, 989209827830156794561989, 5961027129129868073483022, 579547002657587965773234693 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
PROG
(PARI) a(n) = my(k=1, m=n^n); while(k*(k+1)/2%m!=0, k++); k*(k+1)/(2*m);
CROSSREFS
Sequence in context: A340473 A228030 A082706 * A348830 A201181 A130594
KEYWORD
nonn,easy
AUTHOR
Seiichi Manyama, Mar 29 2021
EXTENSIONS
More terms from David A. Corneth, Mar 29 2021
STATUS
approved

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Last modified July 13 14:24 EDT 2024. Contains 374284 sequences. (Running on oeis4.)