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A090433 Primes p(k) having a smaller sum of digits than k. 4
11, 13, 23, 61, 101, 103, 107, 109, 151, 163, 211, 223, 227, 241, 251, 271, 311, 313, 317, 331, 337, 347, 401, 421, 431, 433, 443, 461, 503, 509, 521, 523, 701, 911, 1009, 1013, 1021, 1031, 1033, 1051, 1061, 1063, 1103, 1109, 1117, 1123, 1129, 1151 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A090431(a(n)) > 0.

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Prime[Range[200]], Total[IntegerDigits[#]]<Total[IntegerDigits[ PrimePi[ #]]]&] (* Harvey P. Dale, Mar 05 2017 *)

CROSSREFS

Cf. A033548, A090432, A007953, A007605, A090457.

Sequence in context: A084952 A277048 A275598 * A022325 A295340 A153055

Adjacent sequences:  A090430 A090431 A090432 * A090434 A090435 A090436

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Dec 01 2003

STATUS

approved

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Last modified May 26 17:49 EDT 2019. Contains 323597 sequences. (Running on oeis4.)