|
| |
|
|
A051318
|
|
Euclid-Mullin sequence (A000945) with initial value a(1)=43 instead of a(1)=2.
|
|
0
| |
|
|
43, 2, 3, 7, 13, 53, 5, 6221671, 38709183810571, 139, 2801, 11, 17, 5471, 52662739, 23003, 30693651606209, 37, 1741, 1313797957, 887, 71, 7127, 109, 23, 97, 159227, 643679794963466223081509857, 103, 1079990819
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| Product of first 28 terms +1 is 210102491806660945690525037461258737117339882568590700172677987135969766432980375 44232424110733238484973548134278212304532631, which is divisible by 103. Hence a(29)=103.
|
|
|
MATHEMATICA
| a[1]=43; a[n_] := First[ Flatten[ FactorInteger[ 1+Product[ a[ j ], {j, 1, n-1} ] ] ] ]; Array[a, 10]
|
|
|
CROSSREFS
| Agrees with A000945 from 5th term. Cf. A000946, A005265, A005266.
Sequence in context: A173866 A114786 A139424 * A036202 A107814 A093762
Adjacent sequences: A051315 A051316 A051317 * A051319 A051320 A051321
|
|
|
KEYWORD
| easy,nonn
|
|
|
AUTHOR
| Labos E. (labos(AT)ana.sote.hu)
|
| |
|
|
