Number of n-step three-sided prudent self-avoiding walks ending at the southwest corner of their box.

A191827

Number of n-step three-sided prudent self-avoiding walks ending at the southwest corner of their box.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =9a(4) =20a(5) =46a(6) =105a(7) =244a(8) =568a(9) =1332a(10) =3130a(11) =7385a(12) =17459a(13) =41382a(14) =98245a(15) =233663a(16) =556471a(17) =1327008a(18) =3167876a(19) =7570263a(20) =18106445a(21) =43342551a(22) =103826992a(23) =248886102a(24) =596973191a(25) =1432699552a(26) =3440164442a(27) =8264411848a(28) =19862617439a(29) =47757332813

External references