A141804 Row sums of triangle A141803.

1, 2, 3, 5, 8, 7, 15, 15, 18, 22, 33, 25, 40, 44, 47, 49, 64, 64, 83, 77, 86, 97, 119, 105, 123, 137, 145, 150, 177, 162, 195, 193, 214, 229, 250, 227, 264, 283, 302, 292, 333, 321, 363, 368, 376, 398, 446, 419, 455, 465, 489, 505, 551, 542, 580, 567, 602, 631

Offset

1,2

Links

Ivan Neretin, Table of n, a(n) for n = 1..10000

Example

a(5) = 8 since row 5 of triangle A141803 = (1 + 2 + 3 + 2 + 0).

Mathematica

Table[Total@Table[Mod[Total@IntegerDigits[n - i, i], i], {i, n - 1, 2, -1}], {n, 3, 60}] (* Ivan Neretin, Jun 18 2018 *)

Crossrefs

Cf. A141803.

Sequence in context: A230445 A125727 A112337 * A121368 A010073 A264763

Adjacent sequences: A141801 A141802 A141803 * A141805 A141806 A141807

Keyword

nonn

Author

Gary W. Adamson, Jul 06 2008

Extensions

More terms from Ivan Neretin, Jun 18 2018

Status

approved