Number of distinct integer partitions whose parts can be combined together using additions and multiplications to obtain n, with the exception that 1's can only be added and not multiplied with other parts.

A319913

Number of distinct integer partitions whose parts can be combined together using additions and multiplications to obtain n, with the exception that 1's can only be added and not multiplied with other parts.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =16a(6) =20a(7) =37a(8) =53a(9) =81a(10) =107a(11) =177a(12) =227a(13) =332a(14) =449a(15) =647a(16) =830a(17) =1162a(18) =1480a(19) =2032a(20) =2597a(21) =3447a(22) =4348a(23) =5775a(24) =7251a(25) =9374a(26) =11758a(27) =15026a(28) =18640a(29) =23688

External references