|
|
A352230
|
|
Numbers that can be expressed as the sum of two primes in exactly 8 ways.
|
|
11
|
|
|
84, 102, 108, 138, 142, 154, 160, 184, 190, 200, 214, 242, 256, 266, 284, 292, 296, 308, 362, 368
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
84 = 5+79 = 11+73 = 13+71 = 17+67 = 23+61 = 31+53 = 37+47 = 41+43.
|
|
MATHEMATICA
|
c[n_] := Count[IntegerPartitions[n, {2}], _?(And @@ PrimeQ[#] &)]; Select[Range[1000], c[#] == 8 &] (* Amiram Eldar, Mar 08 2022 *)
|
|
CROSSREFS
|
Numbers that can be expressed as the sum of two primes in k ways for k=0..10: A014092 (k=0), A067187 (k=1), A067188 (k=2), A067189 (k=3), A067190 (k=4), A067191 (k=5), A066722 (k=6), A352229 (k=7), this sequence (k=8), A352231 (k=9), A352233 (k=10).
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|