0,2

Partial sums of A138187. Partial sums are A138189.

Table of n, a(n) for n=0..60.

Index entries for linear recurrences with constant coefficients, signature (-1,-1,1,1,1).

Sequence in context: A222794 A127749 A198431 * A229704 A014715 A131656

Adjacent sequences: A138185 A138186 A138187 * A138189 A138190 A138191

easy,sign

Paul Barry, Mar 04 2008

approved