A230421 Triangle A230420 transposed.

1, 1, 1, 1, 2, 2, 4, 4, 5, 6, 12, 14, 16, 19, 22, 55, 59, 65, 73, 82, 94, 293, 314, 336, 362, 395, 432, 479, 1881, 1971, 2073, 2189, 2324, 2482, 2667, 2886, 14011, 14555, 15140, 15775, 16473, 17249, 18124, 19123, 20276, 115974, 120010, 124289, 128831, 133664, 138828, 144378, 150389, 156961, 164224

Offset

1,5

Links

Table of n, a(n) for n=1..55.

Formula

a(n) = A230420(A038722(n)).

Example

The first rows of this triangular table are:
1;
1, 1;
1, 2, 2;
4, 4, 5, 6;
12, 14, 16, 19, 22;
55, 59, 65, 73, 82, 94;
...

Prog

(Scheme)
(define (A230421 n) (A230420 (A038722 n)))

Crossrefs

Transpose: A230420. Row sums: A219661.

Sequence in context: A340278 A337765 A266690 * A219641 A341464 A277758

Adjacent sequences: A230418 A230419 A230420 * A230422 A230423 A230424

Keyword

nonn,base,tabl

Author

Antti Karttunen, Oct 18 2013

Status

approved