A329542 - cp's OEIS frontend

A329542 a(n) is the first occurrence of a composite number whose factorization without exponents contains exactly n circular loops (i.e., loops in digits 0, 6, 8, 9) on each side of the equals sign.

n	a(n)
1	76
2	166
3	801
4	8067
5	38804
6	88181
7	586668
8	3680818
9	6899086
10	40888802
11	168888169
12	868862887
13	884888909
14	4088888618
15	6898889086
16	40888888618
17	108088888891
18	864888888892
19	1928888888668
20	16888888880873
21	8848888888909
22	40888888888802
23	120888888888896
24	968888888886830

[76, 166, 801, 8067, 38804, 88181, 586668, 3680818, 6899086, 40888802, 168888169, 868862887, 884888909, 4088888618, 6898889086, 40888888618, 108088888891, 864888888892, 1928888888668, 16888888880873, 8848888888909, 40888888888802, 120888888888896, 968888888886830]

cp's OEIS Frontend

A329542 a(n) is the first occurrence of a composite number whose factorization without exponents contains exactly n circular loops (i.e., loops in digits 0, 6, 8, 9) on each side of the equals sign.

Table of values

List of values