A365882 Irregular table read by rows; the first row contains a single 1; for all n > 1, row n+1 is the frequency of each term in rows 1..n.

1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 2, 2, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 2, 2, 10, 10, 10, 10, 10, 10, 10, 10, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 12, 12, 12, 12, 12, 12, 2, 2, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 16, 16, 16, 16, 16, 16

Offset

1,3

Links

Neal Gersh Tolunsky, Table of n, a(n) for n = 1..8192

Neal Gersh Tolunsky, Run length transform of 2^18 terms

Neal Gersh Tolunsky, Graphs of 2^18 terms with a(1) = 1..4 (left to right, top to bottom)

Example

Triangle begins:
      k=1  2  3  4  5  6  7  8 ...
  n=1:  1;
  n=2:  1;
  n=3:  2, 2;
  n=4:  2, 2, 2, 2;
  n=5:  2, 2, 6, 6, 6, 6, 6, 6;
  n=6:  2, 2, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6;
  ...

Crossrefs

Cf. A327616 (ordinal transform version), A011782 (row lengths), A030717.

Sequence in context: A307590 A307987 A047935 * A103795 A123627 A330487

Adjacent sequences: A365879 A365880 A365881 * A365883 A365884 A365885

Keyword

nonn,tabf

Author

Neal Gersh Tolunsky, Sep 22 2023

Status

approved