n written efficiently in natural numbers base, i.e., in form ...wxyz where n =1*z + 2*y + 3*x + 4*w + ... with z < 1, y < 2, x < 3, w < 4, ...

A055992

n written efficiently in natural numbers base, i.e., in form ...wxyz where n =1*z + 2*y + 3*x + 4*w + ... with z < 1, y < 2, x < 3, w < 4, ...

Terms

    a(0) =10a(1) =100a(2) =1000a(3) =110a(4) =200a(5) =1100a(6) =210a(7) =1110a(8) =1200a(9) =2100a(10) =1210a(11) =2110a(12) =2200a(13) =3100a(14) =2210a(15) =3110a(16) =3200a(17) =12200a(18) =3210a(19) =12210a(20) =13110a(21) =13200a(22) =22200a(23) =13210a(24) =22210a(25) =23110a(26) =23200a(27) =32200a(28) =23210a(29) =32210

External references