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A046064 Not a product of partition numbers (A000041). 3
13, 17, 19, 23, 26, 29, 31, 34, 37, 38, 39, 41, 43, 46, 47, 51, 52, 53, 57, 58, 59, 61, 62, 65, 67, 68, 69, 71, 73, 74, 76, 78, 79, 82, 83, 85, 86, 87, 89, 91, 92, 93, 94, 95, 97, 102, 103, 104, 106, 107, 109, 111, 113, 114, 115, 116, 117, 118, 119, 122, 123, 124, 127 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
G. K. Patil, Ramanujan's Life And His Contributions In The Field Of Mathematics, International Journal of Scientific Research and Engineering Studies (IJSRES), 1(6) (2014), ISSN: 2349-8862.
Eric Weisstein's World of Mathematics, Abelian Group.
Eric Weisstein's World of Mathematics, Partition Function P Congruences.
MAPLE
with(combinat): A000041:=proc(n) options remember: RETURN(numbpart(n)): end: partdiv:=proc(m, i) local j, q, f: f:=0: for j from i by -1 to 2 while(f=0) do if(irem(m, A000041(j))=0) then q:=iquo(m, A000041(j)): if(q=1) then RETURN(1) else f:=partdiv(q, j) fi fi od: RETURN(f): end: for i from 2 to 14 do for n from A000041(i) to A000041(i+1)-1 do m:=partdiv(n, i): if m=0 then printf("%d, ", n) fi od od: # C. Ronaldo
CROSSREFS
Sequence in context: A052055 A272119 A075761 * A322274 A008365 A132077
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified April 22 04:29 EDT 2024. Contains 371887 sequences. (Running on oeis4.)