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A062091
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a(1) = 2, a(n)= smallest even number which does not divide the product of all previous terms.
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2
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2, 4, 6, 10, 14, 18, 22, 26, 34, 38, 46, 50, 58, 62, 74, 82, 86, 94, 98, 106, 118, 122, 134, 142, 146, 158, 162, 166, 178, 194, 202, 206, 214, 218, 226, 242, 254, 262, 274, 278, 298, 302, 314, 326, 334, 338, 346, 358, 362, 382, 386, 394, 398, 422, 446, 454
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| 4 together with numbers of the form 2*{p^(2^k)} where p is an odd prime and k is a nonnegative integer.
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EXAMPLE
| After 10 the next term in the sequence is 14 (not 12) as 12 = 2*6 divides the product of all the previous terms.
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CROSSREFS
| Cf. A026477, A062090.
Sequence in context: A191113 A125964 A139544 * A100143 A059254 A024518
Adjacent sequences: A062088 A062089 A062090 * A062092 A062093 A062094
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KEYWORD
| nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 16 2001
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EXTENSIONS
| More terms from Dean Hickerson (dean.hickerson(AT)yahoo.com), Jul 10, 2001
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