Number of ways of having a total of n coins in your two pockets (each of them either a penny, a nickel, a dime, or a quarter), so that the amounts in the pockets are identical.
A323825
Number of ways of having a total of n coins in your two pockets (each of them either a penny, a nickel, a dime, or a quarter), so that the amounts in the pockets are identical.
Terms
- a(0) =1a(1) =0a(2) =4a(3) =2a(4) =12a(5) =12a(6) =34a(7) =40a(8) =85a(9) =108a(10) =190a(11) =250a(12) =394a(13) =516a(14) =762a(15) =984a(16) =1385a(17) =1764a(18) =2396a(19) =2998a(20) =3966a(21) =4886a(22) =6316a(23) =7684a(24) =9739a(25) =11706a(26) =14594a(27) =17358a(28) =21320a(29) =25134
External references
- oeis: A323825