a(n) is the number of n-tosses having a run of 4 or more heads for a fair coin (i.e., probability is a(n)/2^n).
A050232
a(n) is the number of n-tosses having a run of 4 or more heads for a fair coin (i.e., probability is a(n)/2^n).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =3a(5) =8a(6) =20a(7) =48a(8) =111a(9) =251a(10) =558a(11) =1224a(12) =2656a(13) =5713a(14) =12199a(15) =25888a(16) =54648a(17) =114832a(18) =240335a(19) =501239a(20) =1042126a(21) =2160676a(22) =4468664a(23) =9221281a(24) =18989899a(25) =39034824a(26) =80103276a(27) =164126496a(28) =335808927a(29) =686182387
External references
- oeis: A050232