A156145 - OEIS

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A156145

Number of partitions of 9*n-8 into parts having in decimal representation digital root 1.

3

1, 2, 3, 5, 8, 13, 20, 31, 46, 68, 98, 140, 195, 271, 370, 502, 673, 897, 1183, 1553, 2021, 2618, 3367, 4312, 5489, 6961, 8782, 11039, 13815, 17232, 21409, 26519, 32732, 40288, 49433, 60496, 73824, 89872, 109125, 132204, 159785, 192715, 231921

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OFFSET

1,2

COMMENTS

A010888(9*n-8) = 1;

record values in A156144: a(n)=A156144(A017173(n-1)).

LINKS

Table of n, a(n) for n=1..43.

CROSSREFS

Sequence in context: A324741 A200462 A088795 * A216053 A361721 A173597

Adjacent sequences: A156142 A156143 A156144 * A156146 A156147 A156148

KEYWORD

base,nonn

AUTHOR

Reinhard Zumkeller, Feb 05 2009

STATUS

approved