A323479 Irregular triangle read by rows: T(n,k) (n>=1) = number of occurrences of k in n-th generation of A306211.

1, 2, 2, 1, 3, 2, 4, 4, 6, 7, 11, 11, 20, 16, 1, 35, 22, 3, 1, 61, 29, 6, 4, 103, 38, 10, 11, 170, 50, 16, 23, 1, 278, 66, 27, 41, 4, 451, 87, 46, 67, 12, 728, 114, 77, 103, 31, 1165, 149, 127, 152, 71, 1849, 194, 210, 216, 148, 2916, 251, 354, 297, 284, 4577

Offset

1,2

Links

Lars Blomberg, Table of n, a(n) for n = 1..247 (The first 55 generations)

Example

Triangle begins:
1,
2,
2, 1,
3, 2,
4, 4,
6, 7,
11, 11,
20, 16, 1,
35, 22, 3, 1,
61, 29, 6, 4,
103, 38, 10, 11,
170, 50, 16, 23, 1,
...

Crossrefs

Cf. A306211, A306215 (row sums), A323477, A323481 (first column).

Sequence in context: A074945 A353068 A367292 * A276427 A129711 A030454

Adjacent sequences: A323476 A323477 A323478 * A323480 A323481 A323482

Keyword

nonn,tabf

Author

N. J. A. Sloane, Jan 31 2019

Extensions

a(20)-a(63) from Lars Blomberg, Feb 13 2019

Status

approved