A074862 Iccanartet sequence: a(n)=R[a(n-1)]+R[a(n-2)]+R[a(n-3)]+R[a(n-4)] where a(1)=a(2)=a(3)=a(4)=1 and R(n) (A004086) is the reverse of n.

1, 1, 1, 1, 4, 7, 13, 43, 76, 139, 1063, 4633, 7963, 11593, 50173, 83677, 157951, 314005, 774907, 1447279, 11097082, 39016342, 62877022, 84245371, 91872178, 150920986, 815588944, 1243396636

Offset

1,5

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Transpose[NestList[Join[Rest[#], {Total[FromDigits/@(Reverse/@ (IntegerDigits/@#))]}]&, {1, 1, 1, 1}, 30]][[1]] (* Harvey P. Dale, May 02 2012 *)

Crossrefs

Cf. A000288.

Sequence in context: A298346 A122552 A197546 * A101064 A243707 A347137

Adjacent sequences: A074859 A074860 A074861 * A074863 A074864 A074865

Keyword

easy,base,nonn

Author

Felice Russo, Sep 11 2002

Extensions

More terms from David Garber, Oct 23 2002

Status

approved