A012007 - cp's OEIS frontend

A012007 cosh(log(cos(x))) = 1+3/4!x^4+30/6!x^6+693/8!x^8+25260/10!x^10...

n	a(n)
0	1
1	0
2	3
3	30
4	693
5	25260
6	1351383
7	99680490
8	9695756073
9	1202439837720
10	185185594118763
11	34674437196568950
12	7757267081778543453
13	2043536254646561946180
14	626129820701814932734143
15	220771946624511552276841410
16	88759695789769644718332394833

[1, 0, 3, 30, 693, 25260, 1351383, 99680490, 9695756073, 1202439837720, 185185594118763, 34674437196568950, 7757267081778543453, 2043536254646561946180, 626129820701814932734143, 220771946624511552276841410, 88759695789769644718332394833]

cp's OEIS Frontend

A012007 cosh(log(cos(x))) = 1+3/4!x^4+30/6!x^6+693/8!x^8+25260/10!x^10...

Table of values

List of values

cp's OEIS Frontend

A012007 cosh(log(cos(x))) = 1+3/4!*x^4+30/6!*x^6+693/8!*x^8+25260/10!*x^10...

Table of values

List of values

A012007 cosh(log(cos(x))) = 1+3/4!x^4+30/6!x^6+693/8!x^8+25260/10!x^10...