A284279 Primitive terms of A131884.

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

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

Cf. A131884.

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