The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A298037 Partial sums of A298036. 2
 1, 13, 25, 61, 85, 145, 181, 265, 313, 421, 481, 613, 685, 841, 925, 1105, 1201, 1405, 1513, 1741, 1861, 2113, 2245, 2521, 2665, 2965, 3121, 3445, 3613, 3961, 4141, 4513, 4705, 5101, 5305, 5725, 5941, 6385, 6613, 7081, 7321, 7813, 8065, 8581, 8845, 9385, 9661 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Hakan Icoz, Table of n, a(n) for n = 0..20000 FORMULA From Joerg Arndt, Aug 23 2020: (Start) G.f.: (1 + 12*x + 10*x^2 + 12*x^3 + x^4)/((1 - x^2)^2*(1-x)). a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3) - a(n-4) + a(n-5). (End) a(n)= A298036(n) + a(n-1). - Hakan Icoz, Aug 23 2020 EXAMPLE a(1) = 12 + 1 = 13 a(2) = 12 + 13 = 25 a(3) = 36 + 25 = 61 CROSSREFS Sequence in context: A005696 A147145 A283174 * A283255 A322662 A151776 Adjacent sequences:  A298034 A298035 A298036 * A298038 A298039 A298040 KEYWORD nonn AUTHOR N. J. A. Sloane, Jan 22 2018 EXTENSIONS a(7)-a(50) from Hakan Icoz, Aug 22 2020 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)