A068949 - OEIS

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A068949

Digit sums of A068809.

1, 4, 9, 13, 16, 19, 22, 27, 31, 34, 36, 40, 43, 46, 49, 52, 54, 55, 58, 61, 63, 64, 67, 70, 73, 76, 79, 81, 82, 85, 88, 90, 91, 94, 97, 100, 103, 106, 108, 109, 112, 115, 117, 118, 121, 124, 127, 130, 133, 136, 139, 142, 144, 148, 153, 154, 157

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..80

EXAMPLE

a(4)=13 since A068809(4)=49, whose digit sum is 4+9 = 13.

CROSSREFS

Cf. A068809, A068950, A068952, A069324.

Sequence in context: A312874 A312875 A136640 * A312876 A312877 A141000

Adjacent sequences: A068946 A068947 A068948 * A068950 A068951 A068952

KEYWORD

nonn,base

AUTHOR

Francois Jooste (phukraut(AT)hotmail.com), Mar 15 2002

EXTENSIONS

a(42)-a(57) from Kevin Buzzard (k.buzzard(AT)imperial.ac.uk), Jun 20 2008

STATUS

approved