A014428 Even elements in Pascal's triangle.

2, 4, 6, 4, 10, 10, 6, 20, 6, 8, 28, 56, 70, 56, 28, 8, 36, 84, 126, 126, 84, 36, 10, 120, 210, 252, 210, 120, 10, 330, 462, 462, 330, 12, 66, 220, 792, 924, 792, 220, 66, 12, 78, 286, 1716, 1716, 286, 78, 14, 364, 2002, 3432, 2002, 364, 14, 16, 120, 560, 1820

Offset: 1

Author

Mohammad K. Azarian

Keywords

• nonn
• easy
• tabf

Examples

			Triangle begins:
2
4 6 4
10 10
		

Links

• Rémy Sigrist, Table of n, a(n) for n = 1..10111

Crossrefs

Cf. A007318, A014421, A048967.

Programs

Mathematica

Select[ Flatten[ Table[ Binomial[ n, i ], {n, 0, 20}, {i, 0, n} ] ], EvenQ[ # ]& ]

Extensions

More terms from Erich Friedman

Offset corrected by Mohammad K. Azarian, Nov 19 2008