Number of binary strings of length n with equal numbers of 00101 and 01011 substrings.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =30a(6) =58a(7) =112a(8) =218a(9) =424a(10) =830a(11) =1624a(12) =3182a(13) =6232a(14) =12212a(15) =23924a(16) =46882a(17) =91880a(18) =180128a(19) =353224a(20) =692898a(21) =1359624a(22) =2668760a(23) =5239976a(24) =10291538a(25) =20218824a(26) =39733424a(27) =78104712a(28) =153574456a(29) =302050244