A109056 - cp's OEIS frontend

A109056 To compute a(n) we first write down 4^n 1's in a row. Each row takes the rightmost 4th part of the previous row and each element in it equals sum of the elements of the previous row starting with the first of the rightmost 4th part. The single element in the last row is a(n).

n	a(n)
0	1
1	1
2	4
3	58
4	3236
5	713727
6	627642640
7	2205897096672
8	31004442653082720
9	1743005531132374350208
10	391947224244531572312436328
11	352545281714327012273215572739472
12	1268416358395092955994185170741834144224
13	18254446075150458724007419019753847268167282688

[1, 1, 4, 58, 3236, 713727, 627642640, 2205897096672, 31004442653082720, 1743005531132374350208, 391947224244531572312436328, 352545281714327012273215572739472, 1268416358395092955994185170741834144224, 18254446075150458724007419019753847268167282688]

cp's OEIS Frontend

A109056 To compute a(n) we first write down 4^n 1's in a row. Each row takes the rightmost 4th part of the previous row and each element in it equals sum of the elements of the previous row starting with the first of the rightmost 4th part. The single element in the last row is a(n).

Table of values

List of values