Minimal number of vertices in 1-1 deficient regular graph where minimal degree is 1 and maximal degree is n.

A033691

Minimal number of vertices in 1-1 deficient regular graph where minimal degree is 1 and maximal degree is n.

Terms

    a(0) =4a(1) =8a(2) =12a(3) =20a(4) =24a(5) =32a(6) =40a(7) =52a(8) =60a(9) =72a(10) =84a(11) =100a(12) =112a(13) =128a(14) =144a(15) =164a(16) =180a(17) =200a(18) =220a(19) =244a(20) =264a(21) =288a(22) =312a(23) =340a(24) =364a(25) =392a(26) =420a(27) =452a(28) =480a(29) =512

External references