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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.

A377040 Antidiagonal-sums of absolute value of the array A377038(n,k) = n-th term of k-th differences of squarefree numbers (A005117).

Table of values

n a(n)
0 1
1 3
2 4
3 9
4 13
5 18
6 28
7 39
8 106
9 267
10 595
11 1212
12 2286
13 4041
14 6720
15 10497
16 15387
17 20914
18 25894
19 29377
20 37980
21 70785
22 175737
23 343806
24 579751
25 861934
26 1162080
27 1431880
28 1688435
29 2589533
30 8731932
31 23911101
32 58109574
33 130912573
34 276067892
35 543833014
36 992784443

List of values

[1, 3, 4, 9, 13, 18, 28, 39, 106, 267, 595, 1212, 2286, 4041, 6720, 10497, 15387, 20914, 25894, 29377, 37980, 70785, 175737, 343806, 579751, 861934, 1162080, 1431880, 1688435, 2589533, 8731932, 23911101, 58109574, 130912573, 276067892, 543833014, 992784443]

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

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