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A374430
Odd bisection of A374431.
1
1, 3, 5, 7, 27, 11, 13, 30375, 17, 19, 750141, 23, 3125, 19683, 29, 31, 235782657, 1313046875, 37, 3502727631, 41, 43, 28025208984375, 47, 823543, 634465620819, 53, 7863818359375, 7971951402153, 59, 61, 422112982235053221, 453238525390625
OFFSET
0,2
MAPLE
PF := n -> ifelse(n = 0, {}, NumberTheory:-PrimeFactors(n)):
T := (n, k) -> mul(PF(n) intersect PF(k)):
seq(mul(T(2*n+1, k), k = 0..2*n+1), n = 0..20);
MATHEMATICA
nn = 65; Do[Set[s[i], FactorInteger[i][[All, 1]]], {i, 0, nn}]; Table[Product[Times @@ Intersection[s[k], s[n]], {k, 0, n}], {n, 1, nn, 2}] (* Michael De Vlieger, Jul 11 2024 *)
CROSSREFS
Sequence in context: A131039 A362684 A294924 * A249544 A027449 A126670
KEYWORD
nonn
AUTHOR
Peter Luschny, Jul 10 2024
STATUS
approved