A173074 Numbers n such that A171715(n)=2*A173073(n).

5, 6, 12, 21, 40, 41, 74, 76, 100, 136, 157, 161, 403, 728, 729, 738, 743, 1476

Offset

1,1

Comments

Numbers n such that A171715(n)=2*A173073(n). Or, numbers n such that A007645(n)-A003627(n)=2*(A141468(n)-A001477(n)) where A007645 U A003627 U A141468 = A000040 U A141468 = A001477.

No further terms between 1476 and 80000. [From R. J. Mathar, May 02 2010]

Links

Table of n, a(n) for n=1..18.

Formula

A171715(a(n))=2*A173073(a(n)).

Example

a(1)=5 because 8=2*4.

Crossrefs

Cf. A000040(the primes), A001477(the nonnegative numbers), A003627(the generalized non-cuban primes), A007645(the generalized cuban primes), A141468 (the nonnegative nonprimes), A171715 (the differences between generalized cuban and non-cuban primes), A173073 (the differences between nonnegative nonprimes and nonnegative numbers).

Sequence in context: A022310 A126593 A302300 * A099473 A051572 A344221

Adjacent sequences: A173071 A173072 A173073 * A173075 A173076 A173077

Keyword

nonn

Author

Juri-Stepan Gerasimov, Feb 09 2010

Extensions

Terms from 100 up to 1476 from R. J. Mathar, May 02 2010

Status

approved