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A026481 a(n) = least positive integer > a(n-1) and not a(i)*a(j)*a(k) for 1<=i<j<k<=n. 0
1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 16, 17, 19, 22, 23, 25, 26, 29, 31, 34, 37, 38, 41, 43, 46, 47, 49, 53, 58, 59, 61, 62, 67, 71, 73, 74, 79, 81, 82, 83, 86, 89, 94, 97, 101, 103, 106, 107, 109, 113, 118, 121, 122, 127, 131, 134, 137, 139, 142, 146, 149, 151, 157 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A052404 A026417 A026421 * A039211 A114035 A072809

Adjacent sequences:  A026478 A026479 A026480 * A026482 A026483 A026484

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

EXTENSIONS

More terms from Todd Will (towill(AT)davidson.edu).

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Last modified February 14 20:13 EST 2012. Contains 205663 sequences.