A048225 Triangular array T read by rows: T(i,j)=b(i+1)-b(i+1-j); j=1,2,...,i; i=1,2,3,...; b=A048224.

3, 1, 4, 2, 3, 6, 5, 7, 8, 11, 9, 14, 16, 17, 20, 10, 19, 24, 26, 27, 30, 12, 22, 31, 36, 38, 39, 42, 13, 25, 35, 44, 49, 51, 52, 55, 15, 28, 40, 50, 59, 64, 66, 67, 70, 18, 33, 46, 58, 68, 77, 82, 84, 85, 88, 21, 39, 54, 67, 79, 89, 98, 103, 105

Offset

1,1

Links

Table of n, a(n) for n=1..64.

Example

Rows: {3}; {1,4}; {2,3,6}; ...

Crossrefs

Sequence in context: A116537 A194307 A346770 * A155481 A075148 A210722

Adjacent sequences: A048222 A048223 A048224 * A048226 A048227 A048228

Keyword

nonn,tabl

Author

Clark Kimberling

Status

approved