Partial sums of number of different shapes formed by bending a piece of wire of length n in the plane A066372.

A178937

Partial sums of number of different shapes formed by bending a piece of wire of length n in the plane A066372.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =7a(4) =12a(5) =20a(6) =35a(7) =58a(8) =101a(9) =172a(10) =300a(11) =509a(12) =888a(13) =1538a(14) =2683a(15) =4611a(16) =8033a(17) =13941a(18) =24236a(19) =41766a(20) =72504a(21) =125592a(22) =217563a(23) =374757a(24) =648378a(25) =1120243a(26) =1934800a(27) =3328622a(28) =5743517a(29) =9901009

External references