A319777 - cp's OEIS frontend

A319777 a(n) is the number of equivalence classes of triples of sets each with n or fewer elements where two triples are equivalent if the number of elements in all intersections is the same.

n	a(n)
0	1
1	15
2	100
3	436
4	1459
5	4069
6	9929
7	21871
8	44426
9	84494
10	152171
11	261749
12	432906
13	692102
14	1074198
15	1624314
16	2399943
17	3473337
18	4934182
19	6892578
20	9482341
21	12864643
22	17232007
23	22812673
24	29875352
25	38734384
26	49755317
27	63360923
28	80037668
29	100342652
30	124911036

[1, 15, 100, 436, 1459, 4069, 9929, 21871, 44426, 84494, 152171, 261749, 432906, 692102, 1074198, 1624314, 2399943, 3473337, 4934182, 6892578, 9482341, 12864643, 17232007, 22812673, 29875352, 38734384, 49755317, 63360923, 80037668, 100342652, 124911036]

cp's OEIS Frontend

A319777 a(n) is the number of equivalence classes of triples of sets each with n or fewer elements where two triples are equivalent if the number of elements in all intersections is the same.

Table of values

List of values