Maximal coefficient of Product_{k<=n} (1 + x^k). Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 0 or 1.
A025591
Maximal coefficient of Product_{k<=n} (1 + x^k). Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 0 or 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =5a(7) =8a(8) =14a(9) =23a(10) =40a(11) =70a(12) =124a(13) =221a(14) =397a(15) =722a(16) =1314a(17) =2410a(18) =4441a(19) =8220a(20) =15272a(21) =28460a(22) =53222a(23) =99820a(24) =187692a(25) =353743a(26) =668273a(27) =1265204a(28) =2399784a(29) =4559828
External references
- oeis: A025591