A374195 Row sums of A373917.

0, 0, 3, 4, 0, 12, 21, 24, 36, 0, 55, 60, 78, 84, 75, 112, 136, 144, 171, 100, 210, 220, 253, 264, 250, 312, 351, 364, 406, 300, 465, 480, 528, 544, 525, 612, 666, 684, 741, 600, 820, 840, 903, 924, 900, 1012, 1081, 1104, 1176, 1000, 1275, 1300, 1378, 1404, 1375

Offset

1,3

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

Formula

a(n) = Sum_{k=1..n-1} (k*10 mod n).

Mathematica

Table[Total[Mod[Range[10, 10*(n-1), 10], n]], {n, 100}]

Crossrefs

Cf. A373917.

Sequence in context: A213280 A056862 A113035 * A099447 A078067 A192442

Adjacent sequences: A374190 A374193 A374194 * A374196 A374197 A374198

Keyword

nonn,easy,base,new

Author

Paolo Xausa, Jun 30 2024

Status

approved