A347327 Initial term in row n when A347317 is written as an irregular triangle.

0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 15, 17, 19, 22, 29, 41, 58, 89, 148, 263, 491, 944, 1846, 3647, 7244, 14435, 28812, 57562, 115057, 230042, 460008, 919936, 1839787, 3679483, 7358872, 14717644, 29435184, 58870259, 117740403, 235480685, 470961243, 941922352, 1883844565, 3767688985, 7535377819

Offset: 0

Author

N. J. A. Sloane, Sep 14 2021

Keywords

• nonn

Examples

			The first few rows of A347317 are
   0;
   1,  1,  0;
   2,  2,  2,  0;
   3,  2,  4,  1,  1,  0;
   4,  4,  4,  1,  4,  0;
   5,  5,  4,  1,  6,  2,  1,  0;
...
and the initial terms are 0, 1, 2, 3, 4, 5, ...  Note however (see A347318) that after a while this sequence increases at least exponentially.
		

Crossrefs

Cf. A347317, A347318.

Extensions

Terms a(20) and beyond from Andrey Zabolotskiy, Sep 14 2021