4-digit numbers (with leading zeros supplied where necessary) in which the sum of the number consisting of the first two digits and the number consisting of the last two digits equals the number consisting of the middle two digits.

A263194

4-digit numbers (with leading zeros supplied where necessary) in which the sum of the number consisting of the first two digits and the number consisting of the last two digits equals the number consisting of the middle two digits.

Terms

    a(0) =0a(1) =109a(2) =110a(3) =219a(4) =220a(5) =329a(6) =330a(7) =439a(8) =440a(9) =549a(10) =550a(11) =659a(12) =660a(13) =769a(14) =770a(15) =879a(16) =880a(17) =989a(18) =990a(19) =1208a(20) =1318a(21) =1428a(22) =1538a(23) =1648a(24) =1758a(25) =1868a(26) =1978a(27) =2307a(28) =2417a(29) =2527

External references