Number of ordered positive integer solutions (m_1, m_2, ..., m_k) (for some k) to Sum_{i=1..k} m_i=n with |m_i-m_{i-1}| <= 1 for i = 2 ... k.
A034297
Number of ordered positive integer solutions (m_1, m_2, ..., m_k) (for some k) to Sum_{i=1..k} m_i=n with |m_i-m_{i-1}| <= 1 for i = 2 ... k.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =6a(5) =11a(6) =17a(7) =29a(8) =47a(9) =78a(10) =130a(11) =215a(12) =357a(13) =595a(14) =990a(15) =1651a(16) =2748a(17) =4584a(18) =7643a(19) =12744a(20) =21256a(21) =35451a(22) =59133a(23) =98636a(24) =164531a(25) =274463a(26) =457837a(27) =763746a(28) =1274060a(29) =2125356
External references
- oeis: A034297