A079811 Sum of numbers read upward at a 45-degree angle in A079809.

1, 2, 2, 6, 7, 10, 10, 18, 19, 24, 24, 36, 37, 44, 44, 60, 61, 70, 70, 90, 91, 102, 102, 126, 127, 140, 140, 168, 169, 184, 184, 216, 217, 234, 234, 270, 271, 290, 290, 330, 331, 352, 352, 396, 397, 420, 420, 468, 469, 494, 494, 546, 547, 574, 574, 630, 631

Offset: 1

Author

Amarnath Murthy, Feb 10 2003

Keywords

• easy
• nonn

Links

• Index entries for linear recurrences with constant coefficients, signature (1,0,0,2,-2,0,0,-1,1).

Crossrefs

Cf. A079808, A092542.

The two bisections are A309805 and twice A211538 (with leading zeros dropped).

Extensions

Terms a(8) and beyond from Andrey Zabolotskiy, Jan 18 2024