A284279 - OEIS

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A284279

Primitive terms of A131884.

0

276, 306, 396, 564, 660, 696, 780, 828, 888, 966, 996, 1074, 1086, 1098

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OFFSET

1,1

COMMENTS

In other words, terms of A131884 that cannot be written as k*t where k is integer, k > 1, t is a term of A131884.

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Since 276 is the first term of A131884, the number is in the sequence. But 131884(4) = 552 is not, because A131884(4) = 2 * A131884(1) = 2 * 276.

CROSSREFS

Sequence in context: A309998 A003903 A131884 * A228517 A008892 A216072

Adjacent sequences: A284276 A284277 A284278 * A284280 A284281 A284282

KEYWORD

nonn,more

AUTHOR

Sergey Pavlov, Mar 24 2017

STATUS

approved