

A072023


Values of k such that A072022(k)=0.


5



13, 31, 70, 119, 189, 210, 235, 236, 265, 301, 303, 317, 345, 352, 366, 448, 470, 472, 479, 498, 500, 511, 520, 546, 557, 562, 572, 578, 580, 624, 674, 682, 691, 724, 740, 747, 768, 784, 808, 815, 876, 878, 880, 948, 957, 964, 981, 990, 995, 998, 1017, 1035, 1044
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OFFSET

1,1


COMMENTS

See A074915 for a bound on A048864(x) which allows to establish a suitable search range the terms of this sequence.  Giovanni Resta, Feb 25 2020


LINKS

Giovanni Resta, Table of n, a(n) for n = 1..10000


EXAMPLE

13 is here because no such number exists so that in the RRS of which exactly 13 nonprime numbers could be encountered. Phi[x]Pi[x]+omega[x]=13 cannot be solved


MATHEMATICA

See A072022.


CROSSREFS

Cf. A048864, A072022, A074915, A000010, A000720, A001221.
Sequence in context: A330855 A268927 A061239 * A217614 A158723 A211116
Adjacent sequences: A072020 A072021 A072022 * A072024 A072025 A072026


KEYWORD

nonn


AUTHOR

Labos Elemer, Jun 06 2002


EXTENSIONS

More terms (search up to 10^6) from Michel Marcus, Aug 08 2019
Terms a(51) and beyond from Giovanni Resta, Feb 25 2020


STATUS

approved



