A075623 Initial terms of groups in A075621.

1, 2, 3, 6, 10, 16, 21, 28, 37, 46, 55, 66, 78, 91, 104, 120, 137, 153, 171, 190, 210, 231, 253, 276, 300, 326, 351, 378, 406, 435, 465, 496, 528, 561, 595, 630, 666, 703, 741, 780, 820, 861, 903, 946, 990, 1035, 1081, 1128, 1176, 1225, 1275, 1326, 1378, 1431

Offset

1,2

Links

Table of n, a(n) for n=1..54.

Crossrefs

Cf. A075621, A075622, A075624, A075625.

Sequence in context: A108062 A347117 A269403 * A024801 A324742 A260599

Adjacent sequences: A075620 A075621 A075622 * A075624 A075625 A075626

Keyword

base,nonn

Author

Amarnath Murthy, Sep 30 2002

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 29 2003

Status

approved