

A152232


Similar to A072921 but starting with 3.


2



3, 6, 15, 30, 48, 78, 123, 174, 237, 312, 393, 489, 606, 735, 879, 1047, 1227, 1419, 1626, 1848, 2091, 2346, 2616, 2901, 3198, 3516, 3849, 4206, 4575, 4965, 5379, 5817, 6276, 6756, 7260, 7779, 8328, 8898, 9501, 10119, 10749, 11400, 12057, 12729, 13422
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OFFSET

1,1


LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..1000


MAPLE

b:= proc(n) option remember; local m; m:= a(n); `if`(n=1, 0, b(n1)); while m>0 do %+ irem(m, 10, 'm') od; % end: a:= proc(n) option remember; `if`(n=1, 3, a(n1) +b(n1)) end: seq(a(n), n=1..50); # Alois P. Heinz, Oct 07 2009


CROSSREFS

Sequence in context: A319643 A092641 A077449 * A183038 A141023 A242172
Adjacent sequences: A152229 A152230 A152231 * A152233 A152234 A152235


KEYWORD

nonn,base,easy


AUTHOR

N. J. A. Sloane, Oct 07 2009


STATUS

approved



