Second member of Diophantine pair (m,k) that satisfies 6*(m^2 + m) = k^2 + k: a(n) = k.

A077291

Second member of Diophantine pair (m,k) that satisfies 6*(m^2 + m) = k^2 + k: a(n) = k.

Terms

    a(0) =0a(1) =3a(2) =8a(3) =35a(4) =84a(5) =351a(6) =836a(7) =3479a(8) =8280a(9) =34443a(10) =81968a(11) =340955a(12) =811404a(13) =3375111a(14) =8032076a(15) =33410159a(16) =79509360a(17) =330726483a(18) =787061528a(19) =3273854675a(20) =7791105924a(21) =32407820271a(22) =77123997716a(23) =320804348039a(24) =763448871240

External references