A353104 Base-4 representation of A007908(n).

1, 30, 1323, 103102, 3000321, 132021000, 10231122013, 233012011032, 13112330310111, 23133313001300332, 101331301332300201003, 130010202012003303220320, 223313011101131330223313231, 1010202010033102302310203002202

Offset

1,2

Links

Seiichi Manyama, Table of n, a(n) for n = 1..236

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)

Crossrefs

Cf. A007908, A050926, A097580, A097582, A097583, A353105, A353106, A353107.

Cf. A007090.

Sequence in context: A002456 A358163 A107768 * A048536 A369143 A318496

Adjacent sequences: A353101 A353102 A353103 * A353105 A353106 A353107

Keyword

nonn,base

Author

Seiichi Manyama, Apr 23 2022

Status

approved