

A097985


Number of partition numbers with n digits.


2



5, 7, 9, 11, 13, 15, 16, 18, 20, 21, 24, 25, 26, 29, 30, 32, 33, 35, 37, 38, 41, 41, 44, 45, 47, 48, 50, 52, 54, 55, 56, 59, 60, 62, 63, 65, 67, 68, 70, 71, 74, 74, 77, 78, 80, 81, 83, 85, 86, 88, 90, 91, 93, 95, 96, 98, 99, 101, 103, 104, 106, 108, 109, 111, 112, 114, 116
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OFFSET

1,1


COMMENTS

a(n)=A072212(n)A072212(n1) for n>=2.  Emeric Deutsch, Mar 19 2005


LINKS

Table of n, a(n) for n=1..67.


EXAMPLE

a(2)=7 because the number of partitions of 5,6,...,13 are 7,11,15,22,30,42,56, 77,101 and thus exactly 7 partition numbers have 2 digits.


CROSSREFS

Cf. A000041, A072212.
Sequence in context: A168146 A343064 A106505 * A342378 A099047 A174392
Adjacent sequences: A097982 A097983 A097984 * A097986 A097987 A097988


KEYWORD

nonn,base


AUTHOR

Lekraj Beedassy, Sep 07 2004


EXTENSIONS

Corrected and extended by Emeric Deutsch, Mar 19 2005


STATUS

approved



