A230338 - cp's OEIS frontend

A230338 Recurrence equation: a(0) = 1 and a(n) = a(n-1)sqrt(21a(n-1)^2 + 4) for n >= 1.

n	a(n)
0	1
1	5
2	115
3	60605
4	16831644835
5	1298263252133919638045
6	7723873922612696850892381990249713732303715
7	273388347343560518533856033712658350781293745092679040607342582493129736504927611387805

[1, 5, 115, 60605, 16831644835, 1298263252133919638045, 7723873922612696850892381990249713732303715, 273388347343560518533856033712658350781293745092679040607342582493129736504927611387805]

cp's OEIS Frontend

A230338 Recurrence equation: a(0) = 1 and a(n) = a(n-1)sqrt(21a(n-1)^2 + 4) for n >= 1.

Table of values

List of values

cp's OEIS Frontend

A230338 Recurrence equation: a(0) = 1 and a(n) = a(n-1)*sqrt(21*a(n-1)^2 + 4) for n >= 1.

Table of values

List of values

A230338 Recurrence equation: a(0) = 1 and a(n) = a(n-1)sqrt(21a(n-1)^2 + 4) for n >= 1.