Sum of absolute values of list generated by n replacements of k by {-1-|k|, .., 1+|k|} with increment 2, starting with {1}.
A083693
Sum of absolute values of list generated by n replacements of k by {-1-|k|, .., 1+|k|} with increment 2, starting with {1}.
Terms
- a(0) =1a(1) =4a(2) =18a(3) =72a(4) =324a(5) =1360a(6) =6280a(7) =27296a(8) =128784a(9) =573760a(10) =2752032a(11) =12485248a(12) =60652608a(13) =278988032a(14) =1368979584a(15) =6365514240a(16) =31488733440a(17) =147697177600a(18) =735486927360
External references
- oeis: A083693