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A026502 a(n) = least positive integer > a(n-1) and not a(j)*a(k) + a(k)*a(i) + a(i)*a(j) for 1<=i<=j<=k<=n. 1
1, 2, 3, 4, 6, 10, 17, 18, 22, 23, 25, 29, 30, 31, 38, 39, 41, 42, 46, 49, 50, 52, 55, 57, 58, 62, 65, 66, 67, 70 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Sequence in context: A017986 A293632 A216783 * A060163 A106511 A024490

Adjacent sequences:  A026499 A026500 A026501 * A026503 A026504 A026505

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 16 01:31 EDT 2019. Contains 328038 sequences. (Running on oeis4.)