a(n) is the starting position of the n-th occurrence of n in the string 123456789101112131415161718192021... .

A181362

a(n) is the starting position of the n-th occurrence of n in the string 123456789101112131415161718192021... .

Terms

    a(0) =1a(1) =15a(2) =37a(3) =59a(4) =81a(5) =103a(6) =125a(7) =147a(8) =169a(9) =214a(10) =235a(11) =271a(12) =307a(13) =533a(14) =836a(15) =1139a(16) =1442a(17) =1745a(18) =2048a(19) =2651a(20) =541a(21) =708a(22) =978a(23) =1308a(24) =1608a(25) =1908a(26) =2208a(27) =2508a(28) =2808a(29) =4115

External references