A328351 - cp's OEIS frontend

A328351 Let S be any integer in the range 10 <= S <= 30. Sequence has the property that a(n)*S is the sum of all positive integers whose decimal expansion has <= n digits and contains at most four distinct nonzero digits d1, d2, d3 and d4 such that d1+d2+d3+d4=S.

n	a(n)
0	0
1	1
2	45
3	1821
4	72925
5	2917341
6	116695005
7	4667805661
8	186712248285
9	7468490018781
10	298739601100765
11	11949584045428701
12	477983361822740445
13	19119334472931987421
14	764773378917368975325
15	30590935156695116926941
16	1223637406267806108733405
17	48945496250712250075959261

[0, 1, 45, 1821, 72925, 2917341, 116695005, 4667805661, 186712248285, 7468490018781, 298739601100765, 11949584045428701, 477983361822740445, 19119334472931987421, 764773378917368975325, 30590935156695116926941, 1223637406267806108733405, 48945496250712250075959261]

cp's OEIS Frontend

A328351 Let S be any integer in the range 10 <= S <= 30. Sequence has the property that a(n)*S is the sum of all positive integers whose decimal expansion has <= n digits and contains at most four distinct nonzero digits d1, d2, d3 and d4 such that d1+d2+d3+d4=S.

Table of values

List of values