Modified Sisyphus function of order 4: a(n) is the concatenation of (number of digits of n)(number digits of n congruent to 0 modulo 4)(number of digits of n congruent to 1 modulo 4)(number of digits of n congruent to 2 modulo 4)(number of digits of n congruent to 3 modulo 4).

A352751

Modified Sisyphus function of order 4: a(n) is the concatenation of (number of digits of n)(number digits of n congruent to 0 modulo 4)(number of digits of n congruent to 1 modulo 4)(number of digits of n congruent to 2 modulo 4)(number of digits of n congruent to 3 modulo 4).

Terms

    a(0) =11000a(1) =10100a(2) =10010a(3) =10001a(4) =11000a(5) =10100a(6) =10010a(7) =10001a(8) =11000a(9) =10100a(10) =21100a(11) =20200a(12) =20110a(13) =20101a(14) =21100a(15) =20200a(16) =20110a(17) =20101a(18) =21100a(19) =20200a(20) =21010a(21) =20110a(22) =20020a(23) =20011a(24) =21010a(25) =20110a(26) =20020a(27) =20011a(28) =21010a(29) =20110

External references