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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A341204 Number of ways to write n as an ordered sum of 7 nonzero decimal palindromes.

Table of values

n a(n)
7 1
8 7
9 28
10 84
11 210
12 462
13 924
14 1716
15 3003
16 4998
17 7966
18 12222
19 18123
20 26054
21 36408
22 49560
23 65835
24 85470
25 108591
26 135163
27 164976
28 197632
29 232547
30 268968
31 306005
32 342678
33 377979
34 410914
35 440630
36 466417
37 487788
38 504511
39 516621
40 524412
41 528409
42 529320
43 528003
44 525308
45 522144

List of values

[1, 7, 28, 84, 210, 462, 924, 1716, 3003, 4998, 7966, 12222, 18123, 26054, 36408, 49560, 65835, 85470, 108591, 135163, 164976, 197632, 232547, 268968, 306005, 342678, 377979, 410914, 440630, 466417, 487788, 504511, 516621, 524412, 528409, 529320, 528003, 525308, 522144]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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