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A230421
Triangle A230420 transposed.
3
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
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
KEYWORD
nonn,base,tabl
AUTHOR
Antti Karttunen, Oct 18 2013
STATUS
approved