A075061 Triangle in A075059 read by rows.

2, 3, 4, 7, 8, 9, 13, 14, 15, 16, 61, 62, 63, 64, 65, 61, 62, 63, 64, 65, 66, 421, 422, 423, 424, 425, 426, 427, 841, 842, 843, 844, 845, 846, 847, 848, 2521, 2522, 2523, 2524, 2525, 2526, 2527, 2528, 2529, 2521, 2522, 2523, 2524, 2525, 2526, 2527, 2528, 2529

Offset

1,1

Links

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

Formula

T(n,k+1)=T(n,k)+1. T(n,0)=A075059(n). - R. J. Mathar, Mar 01 2007

Example

2;
3 4;
7 8 9;
13 14 15 16;
61 62 63 64 65;
61 62 63 64 65 66;
...

Crossrefs

Cf. A075059, A060401, A075062.

Sequence in context: A328134 A218785 A267373 * A032876 A032843 A023774

Adjacent sequences: A075058 A075059 A075060 * A075062 A075063 A075064

Keyword

nonn,tabl

Author

Amarnath Murthy, Sep 08 2002

Extensions

More terms from R. J. Mathar, Mar 01 2007

Status

approved