A042494 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A042494 as a simple table

n	a(n)
0	27
1	28
2	167
3	696
4	863
5	7600
6	16063
7	136104
8	152167
9	744772
10	3876027
11	4620799
12	253399173
13	258019972
14	1543499033
15	6432016104
16	7975515137
17	70236137200
18	148447789537
19	1257818453496
20	1406266243033
21	6882883425628

[27,28,167,696,863,7600,16063,136104,152167, 744772,3876027,4620799,253399173,258019972, 1543499033,6432016104,7975515137,70236137200, 148447789537,1257818453496,1406266243033, 6882883425628]