Nondescending wiggly sums: number of sums adding to n in which terms alternately do not decrease and do not increase.
A129852
Nondescending wiggly sums: number of sums adding to n in which terms alternately do not decrease and do not increase.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =9a(6) =15a(7) =26a(8) =45a(9) =79a(10) =135a(11) =236a(12) =408a(13) =710a(14) =1230a(15) =2137a(16) =3705a(17) =6436a(18) =11165a(19) =19384a(20) =33637a(21) =58391a(22) =101336a(23) =175896a(24) =305284a(25) =529884a(26) =919683a(27) =1596277a(28) =2770576a(29) =4808811
External references
- oeis: A129852