A276631 Expansion of signature sets in graded reverse lexicographic order whose members appear as terms in A026477.

0, 1, 2, 4, 1, 1, 1, 1, 3, 1, 1, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 8, 7, 1, 3, 1, 1, 1, 1, 1, 6, 2, 1, 5, 2, 2, 3, 3, 1, 1, 1, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 1, 1, 6, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 10, 1, 1, 10, 3, 4, 4, 4, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1

Offset

1,3

Comments

See A276630 for detailed explanation about which signature sets appear here.

It appears that the number of signature sets with the same sum tend to increase as the sums increase.

Links

Table of n, a(n) for n=1..101.

Example

Signature sets start:
{}
{1}
{2}
{4}
{1, 1, 1, 1}
{3, 1, 1}
{3, 3}
{2, 2, 2, 1}
{1, 1, 1, 1, 1, 1, 1}
{8}
{7, 1}
{3, 1, 1, 1, 1, 1}
{6, 2, 1}
{5, 2, 2}
{3, 3, 1, 1, 1}
{3, 3, 3, 1}
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
{8, 1, 1}
{6, 5}
{3, 1, 1, 1, 1, 1, 1, 1, 1}
{10, 1, 1}
{10, 3}
{4, 4, 4, 1}
{2, 2, 2, 2, 2, 2, 1}
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}

Crossrefs

Cf. A026477, A276630.

Sequence in context: A137391 A276207 A248672 * A059817 A099803 A348424

Adjacent sequences: A276628 A276629 A276630 * A276632 A276633 A276634

Keyword

nonn

Author

Bob Selcoe, Sep 07 2016

Status

approved