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A103860
Sum of divisors of prime(n)! - prime(n)# + 1.
3
1, 1, 112, 4832, 39929032, 6227388000, 355687500698712, 121674349040732800, 26204303786955547121568, 8844022735747817449795273936944, 8243360285859647409507002537385024
OFFSET
1,3
COMMENTS
a(n) = A000203(A103855(n)).
MATHEMATICA
Module[{nn=15, pr, pm}, pr=Prime[Range[nn]]!; pm=FoldList[Times, Prime[Range[nn]]]; DivisorSigma[1, #[[1]]-#[[2]]+1&/@Thread[{pr, pm}]]] (* Harvey P. Dale, Dec 18 2022 *)
CROSSREFS
Sequence in context: A271671 A172129 A304552 * A265660 A271032 A213803
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Feb 20 2005
STATUS
approved