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A353104
Base-4 representation of A007908(n).
5
1, 30, 1323, 103102, 3000321, 132021000, 10231122013, 233012011032, 13112330310111, 23133313001300332, 101331301332300201003, 130010202012003303220320, 223313011101131330223313231, 1010202010033102302310203002202
OFFSET
1,2
LINKS
FORMULA
a(n) = A007090(A007908(n)).
PROG
(Ruby)
def A(k, n)
(1..n).map{|i| (1..i).to_a.join.to_i.to_s(k).to_i}
end
p A(4, 20)
KEYWORD
nonn,base
AUTHOR
Seiichi Manyama, Apr 23 2022
STATUS
approved