A203400 Partial sums of A050935.

0, 0, 1, 2, 3, 3, 2, 0, -2, -3, -2, 1, 5, 8, 8, 4, -3, -10, -13, -9, 2, 16, 26, 25, 10, -15, -39, -48, -32, 8, 57, 90, 83, 27, -62, -144, -170, -107, 38, 209, 317, 280, 72, -244, -523, -594, -349, 175, 770, 1120, 946, 177, -942, -1887, -2063, -1120, 768

Offset: 1

Author

Reinhard Zumkeller, Jan 01 2012

Keywords

• sign

Comments

a(n) = a(n-1) + A050935(n) for n > 1.

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
• Index entries for linear recurrences with constant coefficients, signature (2, -1, -1, 1).

Programs

Haskell

a203400 n = a203400_list !! (n-1)
a203400_list = scanl1 (+) a050935_list